Output Shaft Seal Weep Hole


Installing the replacement seal to the proper depth is critical. If the trans in your truck leaks fluid when the vehicle is parked uphill, fluid may be coming out of the weep hole due to failure of an output shaft O-ring. Due to low ambient temperature combined with various runout conditions between the intermediate drive shaft and the input shaft, the seal. While I don't know specifically about the yoke installed on the O. 91205-MM5-003 oil input. The simple way to check the output shaft/gearbox input shaft weep is to get some of the oil on your finger then sniff it. Splitting the case and driving the seals out from the inside is the onlyway to remove without destroying them so if you get them wrong, you need new seals to try again. When the yoke in manufactured, the splined hole that slides over the tans tail shaft is machined all the way through. Track pin seals. Care must be taken not to scratch the seal bore when removing the old seal. I replaced all seals shaft and bearing. A slight pressure on the screw driver handle should lift the seal away from the shaft. Once you have the sprocket off all will become obvious. Pump to converter seal. Just replace the one defective oil seal (#6 on the Water Pump microfiche). The weep hole is in the bottom of the casting between the water seal and the rear grease seal. Dec 31, 2010 · Re: Gearbox output shaft seal. Audi has no material on repairing this issue. As had been stated, if your output seal of the reverser is leaking it should show up in the hole/cotter pin beneath the joint between the reverser and transmission. 0 HO 7k miles AX15 m/t 5 spd/. All seals are supposed to weep slightly as a little coolant is needed to lubricate the seal faces. I got a new passenger side axle shaft assembly and a new output shaft drained transfer case and added versatrak fluid, this was a no go what appeared was happening was transmission fluid is getting into the transfer case and overflowing the transfer case and making it come out the weep hole of the transfer case. Hel98, I've seen the hole you mention on 2 piece driveshafts before. I replaced the seal several times ($60 each time) and it would stop for around 5K then start leaking again. Replace the transfer case O-ring seal on the left output shaft. Adrane16 · Registered. The two seals are separated by a space. Mar 22, 2012 · The hole is only about the size of the head of a pin. Automatic grease guns may blow out the output shaft seal. The hole is part of a vent system. ) from the end of the. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. I tried buffing the sealing surface on the slip-yolk (the piece that goes into the t-case) and it would still leak. NOTE Step Bore w/ Hook Groove Step Bore w/ Retaining Ring Standard 2. there should be a metal bell on the output shaft with an o-ring inside that seals the yoke. It this where the leak might be coming from? I change one out when I installed the DTT tranny in my previous 98. The owner thinking it was the rear seal at the output shaft housing – replaced the seal. I did not worry about the weep hole though. I used a syringe to put 110ml of oil into the FD, so it is not over-filled. If the weep hole under the water pump has not begun to leak yet, the preventative fix is cheap and easy. Dec 09, 2017 · The weep hole is there to show you if there is a problem with the seals on the shaft of the pump. ive seen rtv in the yoke to seal the hole but too much. The outer seal went in just fine and I. mine also has zero play so the bearing is fine. But if it leaks overnight, then it's something higher up than the pan gasket. A red fluid leak may be observed at the transfer case/PTU weep hole farthest from the transmission, near the passenger side. Track pin seals. Ive been having the same problems of wearing. That shaft runs both the coolant, and the oil pump. Step 2: Get a seal installer tool that is made for an output shaft seal. Thinking about the leak, I actually only saw transmission fluid coming from the bottom of the yoke Not from the rear seal. the trans has input shaft seal. Replace the transfer case O-ring seal on the left output shaft. There may be a bad seal behind the water pump on the small shaft that drives it or you may have bigger problems like one of the heads has a crack. NOTE Step Bore w/ Hook Groove Step Bore w/ Retaining Ring Standard 2. Turn it around an install until it bottoms against the speedo reluctor ( the steel ring on the output shaft). Later models deleted the special shaft seal. And I am not super smart or experienced, I just read about it one day while looking for something else. The seal was pretty ate up. remove the driveshaft & look down the spline end of the yoke. I had an ATF leak a few weeks back coming from the week hole between the trans and t-case. At least some of them are machined with a through-hole, and with those ones, the plug used in the hole can leak. You can imagine what happens with transmission swaps. Hello Charles, welcome to the tractor forum. to/2Vhgo2uHow to Replace Rear Output Drive Shaft Seal in Transfer Case and TransmissionIn this video I am replacing leaking drive shaft. May 5, 2012. Anything that gets into that space can (might) come out the weep hole. time will tell if it fixes mine. 91205-MM5-003 oil input. You all have to drop your lowers & check the shift shaft seal. Thought the rear seal was leaking. The other seal seals oil. The E-TEC Model # E200DHXSUC and the Serial # 05188037. Model 760 Transfer Case: Leaking from Left Hand Weep Hole Remove the transfer case. shift input shaft, there is a module. to/2Vhgo2uHow to Replace Rear Output Drive Shaft Seal in Transfer Case and TransmissionIn this video I am replacing leaking drive shaft. I got a new passenger side axle shaft assembly and a new output shaft drained transfer case and added versatrak fluid, this was a no go what appeared was happening was transmission fluid is getting into the transfer case and overflowing the transfer case and making it come out the weep hole of the transfer case. The transmission fluid will wick across the transfer case and is difficult to see. I have a Ferguson TO-30 pull tractor, and it leaks oil under the tractor in a weep hole with a cotter key in the hole. I assumed it was going to be the tail shaft seal, speedo housing or maybe the modulator. Stupid ass that put it together made the driveshaft too short, so the slip yoke would not pass over the O-ring. The TC fluid seems to be leaking out of the weep hole in the output shaft seal. I had an ATF leak a few weeks back coming from the week hole between the trans and t-case. Gently pull the seal in towards the inner diameter of the housing bore while working the seal down to seat it. The weep hole was still visible and not. I used a syringe to put 110ml of oil into the FD, so it is not over-filled. 5 mm bore)Precision Universal Joints 492-10 (Cap Diameter 1-3/16" , Width 3/4" ). Apr 29, 2007 · 8/1/2006 - 2004 model year Sequoia and Tundra vehicles equipped with 2WD transmission. The plug looks similar to a core plug in the engine. I crawled under a friend of mine's 92 FJ80 today and noticed it looked pretty much the same, dried black oil underneath and fresh oil on the bottom of the bell housing where the weep hole is. I just installed a rebuilt transmission in my truck and have been fighting with a mean transfercase leak since. GM Slip Yoke and. The transmission is leaking oil around the shift input shaft, there is a module with wires plugged. I assume it is going to be a failed seal. Replace the whole bushing & shaft assembly!. Jun 17, 2016 · Found the weep hole in the water pump and, sure enough, traces of coolant. The weep hole is in the bottom of the casting between the water seal and the rear grease seal. When the yoke in manufactured, the splined hole that slides over the tans tail shaft is machined all the way through. 0 HO 7k miles AX15 m/t 5 spd/. Many have reported this happening as early as a few thousand miles, and some never seeing this happen. (See exploded view. Care must be taken not to scratch the seal bore when removing the old seal. You would more than likely have antifreeze in the crankcase if that were the case. Cassette seals. there should be a metal bell on the output shaft with an o-ring inside that seals the yoke. I have had a persistent leak out of the rear output shaft seal since I replaced the motor and got it back on the road. When checking the oil, the bike should be upright and level not on the sidestand. The slip yoke oil seal might. A slight pressure on the screw driver handle should lift the seal away from the shaft. replace trans) Has anyone had this issue or any experience as it's a shame that the tranny is performing flawlessly, but for this leak. Adrane16 · Registered. I assume it is going to be a failed seal. If it starts leaking there is a weep hole between it and the oil pump shaft seal, you will see green on the ground. I pulled the t-case, replaced the output seal on the trans and input seal on the t-case (used National seals). Gently pull the seal in towards the inner diameter of the housing bore while working the seal down to seat it. Stupid ass that put it together made the driveshaft too short, so the slip yoke would not pass over the O-ring. Once you have the sprocket off all will become obvious. 010, and carefully slip it between the pto shaft and the seal. The seal has been the same since 1963 & since '91 been pushed into a plastic bushing. It was actually a good idea for a good reason; preventing fluid from getting between the output shaft and the yoke, causing a solid 'hydrolock' that couldn't extend or compress, damaging the driveline. I spun the output flange by hand and saw maybe a slight film of oil where the oil seal met the input shaft, but nothing that would create even a drop of oil. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. evident by the weep hole where the fresh oil leak hasnt collected dirt yet. This is a rebuild driveshaft. 010, and carefully slip it between the pto shaft and the seal. Puked trans fluid out like a bitch when parked on an incline (my driveway). The outer seal went in just fine and I. I can't imagine it matters much. ) Grease the trunion bearing with a hand grease gun only. If it smells like bad eggs it's the gearbox input shaft but more likely it will be an aged and brittle output shaft O-ring (under the clutch retaining nut). Model 760 Transfer Case: Leaking from Left Hand Weep Hole Remove the transfer case. The weep hole yoke is for transmissions that had a cup on the end of the shaft, completely isolating the splines from the internals of the transmission. Got the rear housing off and waiting on new bushing, seal, and O ring parts to get here. Posted October 18, 2017. If your truck has this weep hole (arrow in photo below), you will be able to see it with the driveshaft removed by flipping the yoke to the side. The seal was pretty ate up. Pump to converter seal. (See exploded view. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. Later models deleted the special shaft seal. the output has a dust seal to protect the oil seal. 24 Front Output Shaft Rear Bearing Removal. Output shaft O ring, if the yoke has a weep hole. You can imagine what happens with transmission swaps. You'll see the difference. Care must be taken not to scratch the seal bore when removing the old seal. So, I chucked the tip of the input shaft in my drill driver and spun the shaft for a few minutes. On the outside this is on the bottom just ahead of the bolt flange. If you want apples to apples, compare the link to a 4l60e. The two seals are separated by a space. If 1 or 5 were bad, those would not show oil out of the weep hole. It was actually a good idea for a good reason; preventing fluid from getting between the output shaft and the yoke, causing a solid 'hydrolock' that couldn't extend or compress, damaging the driveline. Not a major issue but it would only get worse. 0L gas 4x4 crew cab National Oil Seal 710496 (47. It's not that difficult to do. Adrane16 · Registered. Use the DT-48078 Inner Drive Shaft Seal Installer with a J8092 Driver Handle to install the seal 2. Automatic grease guns may blow out the output shaft seal. The agitator shaft seal, just before the gear reducer is leaking distillate out of the "weep holes" just after the oil seal located in the stainless collar. Re: Gear Oil coming out of weep hole in lower unit. It will be in the center behind the u-joint. If coolant is leaking out of the weep hole, the outer seal will have to be replaced. The input shaft is fairly forgiving but the output shaft has an oil hole in the shaft a few thousandths from where the seal lip rides so again, just a hair too deep and it will leak. Seals for heavy industrial applications. I assume it is going to be a failed seal. 3/4 of an hour labor rate for mine which should be the same as yours. Yep, I aligned the hole with the groove so I think I'm ok there. found that by driving it flush with the mating surface, it lined up great. Ive been having the same problems of wearing out the seals in 6 months! I cleaned the rust off the shaft. the output shaft seal in place. The transmission is leaking oil around the shift input shaft, there is a module with wires plugged. Out of those 5 areas, 3 would show gear lube out of the weep holes and 2 would not. It starts dribbling a lot when the car sits for more than a week or two. The leak is from this plug. mine also has zero play so the bearing is fine. There may be a bad seal behind the water pump on the small shaft that drives it or you may have bigger problems like one of the heads has a crack. Re: Gear Oil coming out of weep hole in lower unit. If it starts leaking there is a weep hole between it and the oil pump shaft seal, you will see green on the ground. Both Suzuki & Honda have the ability to change the prop shaft seals without pulling the carrier. Its a slow leak 2. Remove front output yoke (Models 231 and 233) or flange (Model 241) nut, washer, rubber sealing washer from front output shaft. Permatex Ultra Black: https://amzn. A single seal and a bellow at the input shaft/yoke shaft. My TH400 had the O-ring on the output shaft an a hole in the yoke. You can imagine what happens with transmission swaps. Sure enough, oil began to flow from around the input shaft at the oil seal. there should be a metal bell on the output shaft with an o-ring inside that seals the yoke. Re: Gear Oil coming out of weep hole in lower unit. Leaking out weep hole in front of u joint. Care must be taken not to scratch the seal bore when removing the old seal. seal I have a 2003 duramax gmc 2500 with the allison 5 speed automatic. It's not that difficult to do. Gently pull the seal in towards the inner diameter of the housing bore while working the seal down to seat it. There should be no oil leaking from water pump weep hole. May 5, 2012. Sep 01, 2012 · The water pump seal is mostly 3 parts. Replace the transfer case O-ring seal on the left output shaft. It will be in the center behind the u-joint. Troubleshooting found the fluid leak coming from the center of the drive shaft yoke (p/n 4841), from an area I’ve never experienced a leak, until now. Part 5 of 7: Install the new transfer case output shaft seal. GM Slip Yoke and. 5mm deflection. Dec 09, 2011 · The water pump output shaft has a bit of wobble to it(not much but it is noticeable and I'm gonna replace it) and I'm guessing it is enough that it may have loosened the bolts a bit(?). 24 Front Output Shaft Rear Bearing Removal. If the output shaft-to-yoke o-ring is damaged/missing, transmission fluid has a straight shot back to the yoke and out the hole. Output shaft O ring, if the yoke has a weep hole. 2- the fixed ceramic water seal what comes next. Radial shaft seals. blackout, Mar 29, 2011. Jun 17, 2016 · Found the weep hole in the water pump and, sure enough, traces of coolant. Sep 14, 2016 · I am working on my 57 with a TH400 tranny. Seems to me that if it fills up with fluid it's leaking out anyway. It was actually a good idea for a good reason; preventing fluid from getting between the output shaft and the yoke, causing a solid 'hydrolock' that couldn't extend or compress, damaging the driveline. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. Replacement seals push back out usually. For the last 30K or so (160K total), I have had a leaking rear output shaft seal on the transfer case. It will be in the center behind the u-joint. A slight pressure on the screw driver handle should lift the seal away from the shaft. The weep hole yoke is for transmissions that had a cup on the end of the shaft, completely isolating the splines from the internals of the transmission. But if it leaks overnight, then it's something higher up than the pan gasket. The two seals are separated by a space. I have had a persistent leak out of the rear output shaft seal since I replaced the motor and got it back on the road. 24 Front Output Shaft Rear Bearing Removal. The hole is part of a vent system. It starts dribbling a lot when the car sits for more than a week or two. Once you have the sprocket off all will become obvious. 2 transaxle identification label 1 – input speed. At least some of them are machined with a through-hole, and with those ones, the plug used in the hole can leak. You all have to drop your lowers & check the shift shaft seal. Output shaft O ring, if the yoke has a weep hole. 2- the fixed ceramic water seal what comes next. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. While I don't know specifically about the yoke installed on the O. We suggest replacing both the outer and inner seals. When i got home. When checking the oil, the bike should be upright and level not on the sidestand. Thought the rear seal was leaking. GM Slip Yoke and. Replace the transfer case O-ring seal on the left output shaft. Its a slow leak 2. If the seal is bad, or missing, it can pass fluid down the splines and out that little weep hole. Seals for heavy industrial applications. 3/4 of an hour labor rate for mine which should be the same as yours. Model 760 Transfer Case: Leaking from Left Hand Weep Hole Remove the transfer case. Many have reported this happening as early as a few thousand miles, and some never seeing this happen. In my case, the yoke appears to have been swapped at one point because the truck has a two-piece driveshaft, so the yoke barely moves in and out of the. NOTE Step Bore w/ Hook Groove Step Bore w/ Retaining Ring Standard 2. If the seal is bad, or missing, it can pass fluid down the splines and out that little weep hole. Get a feeler guage, somewhere between. Leaking out weep hole in front of u joint. Seems to me that if it fills up with fluid it's leaking out anyway. An improved yoke assembly is available to correct the condition. One seal seals water. shift input shaft, there is a module. It will be in the center behind the u-joint. Jun 22, 2007 · Are you overfilling the transcase? The rear output seal has a little weep hole. But if it leaks overnight, then it's something higher up than the pan gasket. I pulled the t-case, replaced the output seal on the trans and input seal on the t-case (used National seals). I can't imagine it matters much. 3- the spinning ceramic water seal what hugs the pump shaft. The O-ring in question (pn GM3764601, 700R4 shown) is installed in the cup on the transmission output shaft (arrow in photo below). Additional HDS design options ; Radial shaft seals with a low cross sectional height. I assume it is going to be a failed seal. Then either plug the weep hole or get a new o ring and position the metal tube so it stays sealed on the yoke. Adrane16 · Registered. 0 HO 7k miles AX15 m/t 5 spd/. The dripping was just one drop every 5 or 10 seconds while the bike was running. The original part number was 93102-11004-00, the NEW part that prevents this leak is 93102-11008-00 (runs about $4). and output shaft seal. #2 · Jun 24, 2011. New Process Models 231, 233 & 241 Transfer Cases 1. found that by driving it flush with the mating surface, it lined up great. Funny thing is, it doesn;t leak much when the car is being driven daily. 010, and carefully slip it between the pto shaft and the seal. You will have to split the tractor and replace the seal. The back end of the hole, between the u-joint mounting ears, has a plug in it to keep it from leaking and to keep the elements out. Installing a second-design seal in a first-design transfer case will create a transmission fluid leak due to interference with the input shaft. Thank you, Mike: GEEBEE. Look up a tailshaft for a 4l80e and compare it to the one pictured in the link I provided. But if it leaks overnight, then it's something higher up than the pan gasket. A seal and an oring under the shift shaft. 91205-MCT-003 oil output 91251-MCT-003 dust output. So, I chucked the tip of the input shaft in my drill driver and spun the shaft for a few minutes. Anything that gets into that space can (might) come out the weep hole. This is caused by a leak at the front wheel drive intermediate shaft (inner) seal. If the output shaft-to-yoke o-ring is damaged/missing, transmission fluid has a straight shot back to the yoke and out the hole. 24 Front Output Shaft Rear Bearing Removal. IMOthe purpose of the weep hole is to allow minor seepage/weeping of coolant ftom contaminating the pump's bearings. It will be in the center behind the u-joint. 17,771 Posts. If fluid leaks out of either the transmission (output shaft seal) or the transfer case (input gear seal), it will leak out of the weep hole onto the ground. The purpose of the weep hole is to drain any oil leakage from the engine rear main seal or from the transmission input. Selection of seal design and material. Once you have the sprocket off all will become obvious. 2 transaxle identification label 1 – input speed. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. Adrane16 · Registered. Hi all, I am running a Kothe Standard 400L still. 010, and carefully slip it between the pto shaft and the seal. Automatic grease guns may blow out the output shaft seal. Dec 11, 2009 · Fig. Sealing materials. You can imagine what happens with transmission swaps. Output shaft O ring, if the yoke has a weep hole. Permatex Ultra Black: https://amzn. The seal that is leaking has a little weep hole at the bottom so I pretty much assumed oil should not be in there. there should be a metal bell on the output shaft with an o-ring inside that seals the yoke. 24)? If there was only one seal then the 'tell tale' weep hole wouldn't be there? Would you change you're crank just because the crank seals are passing? If there's no visible damage to the shaft (pitting, scores etc) then a new seal should suffice?. On the outside this is on the bottom just ahead of the bolt flange. Wear sleeves. I have a Ferguson TO-30 pull tractor, and it leaks oil under the tractor in a weep hole with a cotter key in the hole. The weep hole was still visible and not. Thought the rear seal was leaking. replace trans) Has anyone had this issue or any experience as it's a shame that the tranny is performing flawlessly, but for this leak. The output shaft seal rides on the front yoke and is in constant contact with the yoke as it moves laterally during driving conditions. ive seen rtv in the yoke to seal the hole but too much. It is no different than the crank seals. Due to low ambient temperature combined with various runout conditions between the intermediate drive shaft and the input shaft, the seal. 5 mm bore)Precision Universal Joints 492-10 (Cap Diameter 1-3/16" , Width 3/4" ). I have replaced the seal twice. Radial shaft seals. Leaking out weep hole in front of u joint. I tried buffing the sealing surface on the slip-yolk (the piece that goes into the t-case) and it would still leak. Most likely water comes out of this hole, meaning it has a leaky internal seal. your output seal is toast. if the bell isnt there you have to replace the yoke with a solid cup-plug type. Replace the whole bushing & shaft assembly!. Was acutally oil coomgin out of the little weep hole. the output shaft seal in place. There was also a little bit of residue on the skid plate where the hose rests. Get a tube of oil resistant silicon and place a fine film of silicon on the shell (outside area) of the new output shaft seal. Feb 17, 2020 · It keeps crankcase pressure in the crankcase. It still operates good except for the hard leak. Replace the transfer case O-ring seal on the left output shaft. This is either a small drilled hole, or a cast slot (usually on the rear face). (See exploded view. On the outside this is on the bottom just ahead of the bolt flange. Yep, I aligned the hole with the groove so I think I'm ok there. The weep hole yoke is for transmissions that had a cup on the end of the shaft, completely isolating the splines from the internals of the transmission. Then get a new bushing and seal. At first glance, looks to be coming out of the weep hole on the bottom right side of the FD. With the source of the leak being located at the transmission-transfer case weep hole, it was time to remove the transfer case and inspect the transmission output shaft seal and transfer case input shaft seal for leaks. I have a 2003 duramax gmc 2500 with the allison 5 speed automatic. Seals for general industrial applications. Re: Gear Oil coming out of weep hole in lower unit. I replaced the seal several times ($60 each time) and it would stop for around 5K then start leaking again. There was also a little bit of residue on the skid plate where the hose rests. You can imagine what happens with transmission swaps. Model 760 Transfer Case: Leaking from Left Hand Weep Hole Remove the transfer case. At least some of them are machined with a through-hole, and with those ones, the plug used in the hole can leak. Anyway, parts should be here next week just in time for my sons Christmas school break so I'll have time to fiddle with it. Was acutally oil coomgin out of the little weep hole. Use the DT-48078 Inner Drive Shaft Seal Installer with a J8092 Driver Handle to install the seal 2. It's not that difficult to do. There should be no oil leaking from water pump weep hole. If it was the rear seal I am sure it would leak when the truck is not. The inner seal goes in just past the weep hole. The output shaft seal rides on the front yoke and is in constant contact with the yoke as it moves laterally during driving conditions. They only work one direction. We suggest replacing both the outer and inner seals. I just unbolted the driveshaft, pulled the seal out, put a good layer of RTV on the seal, then bolted everything back up. I have had a new driveshaft built. Anything that gets into that space can (might) come out the weep hole. The O-ring in question (pn GM3764601, 700R4 shown) is installed in the cup on the transmission output shaft (arrow in photo below). Dec 05, 2017 · Weep hole dripping slightly. I replaced all seals shaft and bearing. One is a simple o-ring on the output shaft and the other is a metal cup with an o-ring on the outside. remove the driveshaft & look down the spline end of the yoke. Using a small drill and going VERY SLOWLY so not to drift into the aluminum facing, then you can use a drywall screw or one on each side and lever the old seal out. Remove front output yoke (Models 231 and 233) or flange (Model 241) nut, washer, rubber sealing washer from front output shaft. My TH400 had the O-ring on the output shaft an a hole in the yoke. Radial shaft seals. Puked trans fluid out like a bitch when parked on an incline (my driveway). If you have a tail SEAL with the big rubber boot on it there will be a "weep" hole in the boot. Many have reported this happening as early as a few thousand miles, and some never seeing this happen. Fuel may leak from the weep hole which is located on the bottom of the Stanadyne Model DB4 Fuel Injection Pump, near the pump mounting flange. The TC fluid seems to be leaking out of the weep hole in the output shaft seal. The slip yoke oil seal might. Splitting the case and driving the seals out from the inside is the onlyway to remove without destroying them so if you get them wrong, you need new seals to try again. However, major drips indicate that it is time to replace the water pump. Seals for general industrial applications. Jul 21, 2016 · Hey all, My brother just got a 2012 a few months ago. There should be no oil leaking from water pump weep hole. It was actually a good idea for a good reason; preventing fluid from getting between the output shaft and the yoke, causing a solid 'hydrolock' that couldn't extend or compress, damaging the driveline. Additional HDS design options ; Radial shaft seals with a low cross sectional height. For the last 30K or so (160K total), I have had a leaking rear output shaft seal on the transfer case. And I am not super smart or experienced, I just read about it one day while looking for something else. Seals for heavy industrial applications. You will have to split the tractor and replace the seal. move it in small increments and made sure that it was going in straight. I crawled under a friend of mine's 92 FJ80 today and noticed it looked pretty much the same, dried black oil underneath and fresh oil on the bottom of the bell housing where the weep hole is. thinking when it compresses into the t-case that rust is wrecking the seal. See full list on stevesalt. Some 2004 model year 2WD Sequoia and Tundra vehicles may display a small transmission fluid leak through the driveshaft (propeller shaft) slip yoke spline hole plug in the center of the yoke. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. to/2Vhgo2uHow to Replace Rear Output Drive Shaft Seal in Transfer Case and TransmissionIn this video I am replacing leaking drive shaft. A red fluid leak may be observed at the transfer case/PTU weep hole farthest from the transmission, near the passenger side. If you have HST fluid coming out of the bell housing weep hole, you have a leaking input shaft seal on your transmission. Hi all, I am running a Kothe Standard 400L still. Replace the transfer case O-ring seal on the left output shaft. It was actually a good idea for a good reason; preventing fluid from getting between the output shaft and the yoke, causing a solid 'hydrolock' that couldn't extend or compress, damaging the driveline. Track pin seals. Sep 10, 2018 · NP 263HDGM Output Leak Fix Seal Replacement on a 2005 Chevy 2500HD 6. However, major drips indicate that it is time to replace the water pump. move it in small increments and made sure that it was going in straight. If the weep hole under the water pump has not begun to leak yet, the preventative fix is cheap and easy. 5mm deflection. Then put the smallest screw drive you have between the feeler and the pto shaft. Its leaks hard after you fill it. If you want apples to apples, compare the link to a 4l60e. The weep hole is in the bottom of the casting between the water seal and the rear grease seal. Look up a tailshaft for a 4l80e and compare it to the one pictured in the link I provided. 010, and carefully slip it between the pto shaft and the seal. Sep 01, 2012 · The water pump seal is mostly 3 parts. ) Grease the trunion bearing with a hand grease gun only. Regardless, considering the worn out u joints, yoke and bushing, the new stuff is a huge improvement. But if it leaks overnight, then it's something higher up than the pan gasket. Anyway, parts should be here next week just in time for my sons Christmas school break so I'll have time to fiddle with it. On the outside this is on the bottom just ahead of the bolt flange. The seal is held in a circular plate holder which in turn is retained in the main case by a circlip. IMOthe purpose of the weep hole is to allow minor seepage/weeping of coolant ftom contaminating the pump's bearings. Fuel may leak from the weep hole which is located on the bottom of the Stanadyne Model DB4 Fuel Injection Pump, near the pump mounting flange. If you remove the seal retainer, pull it off carefully, so as not to distort it. Jul 11, 2011 · A transfer case output shaft seal inside the tranny is leaking gear oil down through the inspection port onto the cat on the passenger side. Had it happen to my 05 and is about spot on what you describe. 91251-MCT-003 dust output. 5 mm shaft, 68. Re: Gear Oil coming out of weep hole in lower unit. if the bell isnt there you have to replace the yoke with a solid cup-plug type. Regardless, considering the worn out u joints, yoke and bushing, the new stuff is a huge improvement. The bushing may be found at a local small type transmission shop for $5 or so, you can take your tail housing and have them change it if you want. It was actually a good idea for a good reason; preventing fluid from getting between the output shaft and the yoke, causing a solid 'hydrolock' that couldn't extend or compress, damaging the driveline. I used a syringe to put 110ml of oil into the FD, so it is not over-filled. Thinking about the leak, I actually only saw transmission fluid coming from the bottom of the yoke Not from the rear seal. Turn it around an install until it bottoms against the speedo reluctor ( the steel ring on the output shaft). Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. i have a fairly new tci streetfighter th400 tranny,i noticed the weep hole in the front of the yoke (behind u joint) is leaking and getting pretty bad,was told theres some kind of seal or o-ring on the output shaft, if bad the weep hole leaks especially if the front of the car is jacked up,any. 91205-MCT-003 oil output 91251-MCT-003 dust output. The purpose of the weep hole is to drain any oil leakage from the engine rear main seal or from the transmission input. Model 760 Transfer Case: Leaking from Left Hand Weep Hole Remove the transfer case. The simple way to check the output shaft/gearbox input shaft weep is to get some of the oil on your finger then sniff it. 0L gas 4x4 crew cab National Oil Seal 710496 (47. The plug looks similar to a core plug in the engine. I have had a new driveshaft built. If 1 or 5 were bad, those would not show oil out of the weep hole. the output shaft seal in place. The slip yoke oil seal might. So, I chucked the tip of the input shaft in my drill driver and spun the shaft for a few minutes. Feel free to leave constructive comments belowMy t5 transmission was leaking from the very last part of the transmission and had to change the bushing, the t. You'll see the difference. evident by the weep hole where the fresh oil leak hasnt collected dirt yet. Hasnt leaked in 40k miles lol. (See exploded view. if the bell isnt there you have to replace the yoke with a solid cup-plug type. The leak is from this plug. there should be a metal bell on the output shaft with an o-ring inside that seals the yoke. That is a weep hole for the output shaft seal. A red fluid leak may be observed at the transfer case/PTU weep hole farthest from the transmission, near the passenger side. An improved yoke assembly is available to correct the condition. Care must be taken not to scratch the seal bore when removing the old seal. A slight pressure on the screw driver handle should lift the seal away from the shaft. Nov 29, 2014 · 12:03 AM. The weep hole is actually a vent to allow air to escape when the yoke plunges in and out of the trans. Puked trans fluid out like a bitch when parked on an incline (my driveway). mine also has zero play so the bearing is fine. My TH400 had the O-ring on the output shaft an a hole in the yoke. I crawled under a friend of mine's 92 FJ80 today and noticed it looked pretty much the same, dried black oil underneath and fresh oil on the bottom of the bell housing where the weep hole is. 1993 Wrangler YJ MPFI 4. I used small taps on the hammer to. 0 HO 7k miles AX15 m/t 5 spd/. There may be nothing at all and the disc in the yoke has no bleed hole, this kind uses trans fluid to lube the splines. Automatic grease guns may blow out the output shaft seal. That is a weep hole for the output shaft seal. You can imagine what happens with transmission swaps. Feel free to leave constructive comments belowMy t5 transmission was leaking from the very last part of the transmission and had to change the bushing, the t. The installation is what usually gets people as there is an oil hole that the lip of the seal rides only a few thousandths away from. the output shaft seal in place. Replacement seals push back out usually. If it starts leaking there is a weep hole between it and the oil pump shaft seal, you will see green on the ground. Replace the transfer case O-ring seal on the left output shaft. The E-TEC Model # E200DHXSUC and the Serial # 05188037. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. There may be a bad seal behind the water pump on the small shaft that drives it or you may have bigger problems like one of the heads has a crack. If you remove the seal retainer, pull it off carefully, so as not to distort it. If you remove the seal retainer, pull it off carefully, so as not to distort it. If you want apples to apples, compare the link to a 4l60e. The transmission has an input shaft seal, so it would have to push past that to enter at that point. You'll see the difference. Automatic grease guns may blow out the output shaft seal. Look up a tailshaft for a 4l80e and compare it to the one pictured in the link I provided. The weep hole is in the bottom of the casting between the water seal and the rear grease seal. Troubleshooting found the fluid leak coming from the center of the drive shaft yoke (p/n 4841), from an area I’ve never experienced a leak, until now. And I am not super smart or experienced, I just read about it one day while looking for something else. Puked trans fluid out like a bitch when parked on an incline (my driveway). If the seal is bad, or missing, it can pass fluid down the splines and out that little weep hole. Replacement seals push back out usually. The outer seal went in just fine and I. Due to low ambient temperature combined with various runout conditions between the intermediate drive shaft and the input shaft, the seal material may not properly seal the ATF. That should be turned to the bottom so if anything gets in there it will drain on out. May 02, 2014 · 1. NOTE Step Bore w/ Hook Groove Step Bore w/ Retaining Ring Standard 2. Permatex Ultra Black: https://amzn. See full list on stevesalt. My TH400 had the O-ring on the output shaft an a hole in the yoke. Installing a second-design seal in a first-design transfer case will create a transmission fluid leak due to interference with the input shaft. Care must be taken not to scratch the seal bore when removing the old seal. Got the rear housing off and waiting on new bushing, seal, and O ring parts to get here. One is a simple o-ring on the output shaft and the other is a metal cup with an o-ring on the outside. Discussion Starter • #1 • Apr 16, 2013. May 5, 2012. The leak is from this plug. transmission fluid leaking from slip yoke {{. your output seal is toast. Using a small drill and going VERY SLOWLY so not to drift into the aluminum facing, then you can use a drywall screw or one on each side and lever the old seal out. Dec 11, 2009 · Fig. Gentlemen: I started driving my recently restored M-38 and notice that I have some transmission fluid leaking from the weep hole on the bottom of the bell housing. ive seen rtv in the yoke to seal the hole but too much. See full list on stevesalt. I have replaced the seal twice. I can't imagine it matters much. The leak is from this plug. May 17, 2006 · I had fluid leaking from the weep hole, and while I had my t-case down, I took it to a local tranny shop and had the input shaft seal replaced for $20 and they gave me the seal for the tranny output shaft, which had been leaking as well. The seal has been the same since 1963 & since '91 been pushed into a plastic bushing. This is either a small drilled hole, or a cast slot (usually on the rear face). The transmission is leaking oil around the shift input shaft, there is a module with wires plugged. When i got home. the trans has input shaft seal. Suzuki & Honda. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. Regardless, considering the worn out u joints, yoke and bushing, the new stuff is a huge improvement. The outer seal went in just fine and I. Application parameters. Gentlemen: I started driving my recently restored M-38 and notice that I have some transmission fluid leaking from the weep hole on the bottom of the bell housing. The original part number was 93102-11004-00, the NEW part that prevents this leak is 93102-11008-00 (runs about $4). 010, and carefully slip it between the pto shaft and the seal. Nov 29, 2014 · 12:03 AM. A few days later the leak reappeared and the owner brought the car to my shop to diagnose the situation. I just unbolted the driveshaft, pulled the seal out, put a good layer of RTV on the seal, then bolted everything back up. Selection of seal design and material. 91251-MCT-003 dust output. Model 760 Transfer Case: Leaking from Left Hand Weep Hole Remove the transfer case. There was also a little bit of residue on the skid plate where the hose rests. The posted info told me that a leak from that weep hole = failing seal = new water pump. Rear extension seal is new and not leaking. move it in small increments and made sure that it was going in straight. GM Slip Yoke and. the output has a dust seal to protect the oil seal. Radial shaft seals. Both Suzuki & Honda have the ability to change the prop shaft seals without pulling the carrier. Part 5 of 7: Install the new transfer case output shaft seal. Does the transmisssion have a front seal out of it. It will be in the center behind the u-joint. Using published instructions and tools, the machined surface of the bore must be clean and free from scratches or nicks. Discussion Starter • #1 • Apr 16, 2013. All seals are supposed to weep slightly as a little coolant is needed to lubricate the seal faces. For the last 30K or so (160K total), I have had a leaking rear output shaft seal on the transfer case. replace trans) Has anyone had this issue or any experience as it's a shame that the tranny is performing flawlessly, but for this leak. At first glance, looks to be coming out of the weep hole on the bottom right side of the FD. There are 2 kinds of seal that go there. The cap should just be resting in the threads, not screwed in. Your first step is to determine where it is leaking. It's not that difficult to do. 24)? If there was only one seal then the 'tell tale' weep hole wouldn't be there? Would you change you're crank just because the crank seals are passing? If there's no visible damage to the shaft (pitting, scores etc) then a new seal should suffice?. Care must be taken not to scratch the seal bore when removing the old seal. Do all output shaft seals have a weep hole? 2012- Denali HD 4x4 2500 Xpel clear bra, amp steps, Inyati Bedliner. A few days later the leak reappeared and the owner brought the car to my shop to diagnose the situation. Puked trans fluid out like a bitch when parked on an incline (my driveway). Adrane16 · Registered. Anything that gets into that space can (might) come out the weep hole. A slight pressure on the screw driver handle should lift the seal away from the shaft. Seems to me that if it fills up with fluid it's leaking out anyway. Not a major issue but it would only get worse. Mar 22, 2012 · The hole is only about the size of the head of a pin. If you have HST fluid coming out of the bell housing weep hole, you have a leaking input shaft seal on your transmission. I replaced the seal several times ($60 each time) and it would stop for around 5K then start leaking again. move it in small increments and made sure that it was going in straight. I replaced all seals shaft and bearing. Had it happen to my 05 and is about spot on what you describe. The transmission is leaking oil around the shift input shaft, there is a module with wires plugged into it around this shaft. When diagnosing premature seal failures, be careful not to misinterpret minor weep hole stains as indications of seal failure. Use a hammer and smack the seal installer. I used a syringe to put 110ml of oil into the FD, so it is not over-filled. When the yoke in manufactured, the splined hole that slides over the tans tail shaft is machined all the way through. I know that over-filling will result in oil getting pumped out thru the seal. A slight pressure on the screw driver handle should lift the seal away from the shaft. 91205-MM5-003 oil input. 1993 Wrangler YJ MPFI 4. NOTE Step Bore w/ Hook Groove Step Bore w/ Retaining Ring Standard 2. Apr 29, 2007 · 8/1/2006 - 2004 model year Sequoia and Tundra vehicles equipped with 2WD transmission. Hi all, I am running a Kothe Standard 400L still. The seal between the case sections is a bead of silicon rtv. With the vehicle raised up on the rack again, we found oil leaking from what appeared to be a weep hole, located between the transmission and transfer case. Sep 14, 2016 · I am working on my 57 with a TH400 tranny. Sep 04, 2017 · Fluid Leak At Transfer Case Left Hand Weep Hole Or Between Transfer Case To Transmission Interface (Replace Transfer Case Input Shaft Seal-Left Or Transfer Case O-Ring Seal) Chevrolet 09-04-21-004B. Automatic grease guns may blow out the output shaft seal. Use the DT-48078 Inner Drive Shaft Seal Installer with a J8092 Driver Handle to install the seal 2. Dec 31, 2010 · Re: Gearbox output shaft seal. Output shaft O ring, if the yoke has a weep hole. time will tell if it fixes mine. It's not that difficult to do. My TH400 had the O-ring on the output shaft an a hole in the yoke. A slight pressure on the screw driver handle should lift the seal away from the shaft. if the bell isnt there you have to replace the yoke with a solid cup-plug type. This is caused by a leak at the front wheel drive intermediate shaft (inner) seal. Jun 21, 2012 · Preamble: In 1992 I bought a '57 Chevy pickup which had been off the road for many, many years. The seal is a simple cartridge type mechanical seala ceramic stationary half (usually) sealed to the housing with an O-ring verses a carbon faced rotary half (usually) sealed to the shaft with and driven by an O. Stupid ass that put it together made the driveshaft too short, so the slip yoke would not pass over the O-ring. It will be in the center behind the u-joint. The next 5 images are from a smaller engine´s water pump and it gives you an idea how it might look like in your water pump. I purchased an Evinrude E-TEC 200 HO new in 2007. Using a small drill and going VERY SLOWLY so not to drift into the aluminum facing, then you can use a drywall screw or one on each side and lever the old seal out. Dec 11, 2009 · Fig. 5 mm bore)Precision Universal Joints 492-10 (Cap Diameter 1-3/16" , Width 3/4" ). If it starts leaking there is a weep hole between it and the oil pump shaft seal, you will see green on the ground. Thinking about the leak, I actually only saw transmission fluid coming from the bottom of the yoke Not from the rear seal.