Put RTV silicone on both sides of the middle. And unless you dismantled part of the transmission, you did … Not leaking out the side of the Tail Shaft, around the Speed cable? Technicians diagnosing a transmission fluid leak from the rear of the transmission on 2014-2016 Silverado and Sierra 2WD models may notice the fluid is coming from the plug in the propeller shaft slip yoke. Enough transmission fluid leaking anywhere can be dangerous. You might check if yours has the same type of weep hole. You should see something similar to the above photo depending on ... pulling the rear mount, driveshaft, draining fluid, removing tailhousing, putting it back together and … side. The O-ring in question (pn GM3764601, 700R4 shown) is Its leaking at the bottom of the housing where the yoke goes in. Be prepared to catch any tranny fluid that comes out. 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. Pull your driveshaft, then either carefully slip it over output shaft, push in with thin blunt object until you feel it slip into its groove. GM3764601) will be in the groove inside the cup. Is it possible that a seal has gone bad? The truck has 84xxx miles and I had the tranny fluid and filter changed about 30xxx miles ago. Leaking trans fluid from weep hole in yoke. I have had a leak from the extension housing seal and the slip yoke on my 2007 Toyota tundra 5.7l 2wd. Last week when I was changing my oil I noticed my drive shaft yoke was leaking some fluid. Put RTV silicone on both sides of the middle. How hard is it to replace the output shaft seal? I knew there was something with a leaking trans fluid TSB and I initially had it confused with the driveshaft clunk TSB. the driveshaft. To help from ruining Transmission fluid is colored green or red so it can be distinguished from other fluids in the vehicle. 25. The seal on the tail shaft of the tranny is what keeps fluid from leaking out. In fact, the drip was from the surround where the yoke resides. Check also the transmission fluid cooling lines, where the two lines exit the transaxle case, and go to front of car to an external cooler mounted in front of radiator, or going into a separate reservoir in the radiator. best you can. 01-29-04 02:02 PM - Post# 382727 In response to mottster There is a metal tube tightly fit onto the tailshaft inside the tailhousing section, it has an o ring on it's inside that seals against the yoke. Transmission fluid can be surprisingly colorful, especially if you've never seen it before and don't know what to expect. Yeppers, definitely the slip yoke. there is your output shaft seal. If it is for sure leaking around the outside of the yolk, and a new seal does not fix it, it is likely the tailhousing bushing is worn. The seal is dry even on the inside of the dust boot. But, if you have a few drops showing up on the garage floor, and it only needs topped off now and then, it’s going to be safe. This was on an S10 t5 yoke … now im beyond the warranty period. another O-ring, use a little tranny fluid on the outside of the yoke before sliding it To me it looks like the transfer case fluid is some how going through the yoke and leaking onto the u joint which is then causing the fluid … located at on the output shaft and slide the cup off. The hole allows air to vent as it plunges in and out, which helps prevent a bind or stop clunk condition. 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. Bob. $$$$. The output shaft seal has failed and transmission fluid is leaking by, ... What would cause drive shaft front slip yoke to leak transmission fluid on a 1997 gm savanna van? Some slip yokes have a hole in the rear center as a vent. extension housing. Worked perfectly and I didn't have to rebalance anything. We want to keep you alive. For reference, I have a FMX automatic and the car has not been driven for a few weeks. Its not a output shaft seal. ... pulling the rear mount, driveshaft, draining fluid, removing tailhousing, putting it back together and … Now unbolt the extension housing from the transmission. entire activity could ... there is a seal (like a frost plug) in the slip yoke ( u joint side) you will have to remove the … Free video instructions on how to fix minor transmission fluid leaks in a 2008 Toyota Tacoma 2.7L 4 Cyl. If your truck has this weep hole (arrow in photo below), If it is leaking through that hole and onto the U-joint then there may be a problem with some internal seals and it is likely the yoke itself is worn allowing the trans fluid to pass through between it and the output shaft. This is second time. If you have a 400 and a bolt on yoke, there is an o-ring seal on the shaft. Remove the slip yoke. Dealer want replace the entire drive shaft with the slip yoke… Is your car leaving red stains beneath your vehicle? Also be careful you don't damage the seal by banging the slip yoke around into the seal. Then noticed it still leaking but now I can see plain as day it's coming out of the yoke and I'm stumped. They rely on a yoke that is completely sealed. Re: Transmission Slip Yoke leaking. your truck without some good jack stands to support it. the slip yoke was also replaced because of worn flat spot. 2WD trucks use a vented slip yoke that has a small hole in the plug. due to failure of an output shaft O-ring. Remove the plug from the transmission and inspect the extension housing seal; replace if necessary. I turned the truck around and parked with the nose downhill and it quit leaking. Ive looked it up and its under $10 for the seal itself. My slip yoke is leaking, and I can't find exactly where it's leaking at. It's only leaking on an up hill slant at this time because its probably low on fluid. Plug the transmission to prevent fluid leakage. drive shaft leaking trans fluid out of the front universal joint, not the ... get rid of the driveshaft on the transmission. Jump to Latest Follow 1 - 15 of 15 Posts. The color of your transmission fluid is one of the best early warning signs of transmission problems, so it is important to check your own fluid or have it checked as part of your regular vehicle maintenance program. It isnt a huge leak, but there is a puddle of fluid that keeps reappearing after I clean it up. When in doubt, don’t drive a vehicle that you don’t feel comfortable driving, especially if you are smelling a burning smell. Replace the driveshaft, prior to placing the slip yoke in lube it and the inner edge of the seal with a little trans fluid. a weep hole that relieves pressure buildup caused by the yoke moving back an forth as the TRANSMISSION FLUID LEAK THROUGH DRIVESHAFT SLIP YOKE – TC007-06 August 1, 2006 Page 2 of 2 TECHNICIAN TOOL* MANUFACTURER PART NUMBER QTY U–Joint Service Tool SPX/OTC 7057 1 U–Joint Tool SPX/OTC 7490 1 U–Joint Bearing Press Set Snap–On CJ91D 1 * NOTE: Only ONE of the tools listed above, or its equivalent, is required. We'll walk you through the most common points to identify automatic transmission leaks and let you know what you can do to make it … I've talked to 2 mechanics, as well as a few transmission shops and getting mixed answers so now I'm pretty confused on which route to take. John, i have a 2007 toyota tundra, 5.7. transmission fluid appears to be leaking a little on the slip yoke. Leaking transmission oil from yoke. vehicle passes over bumps and other road irregularities. Correct or no? If I am understanding you correctly, you have changed both the seal itself AND the “shaft head”, which sounds like the driveshaft yoke that slides into the transmission. The vented slip yoke is sealed … It's not oil, it's not coolant, so what is this stuff? Mark the the rear transmission seal was leaking, so i removed the driveshaft and replaced it. Do you wish to elaborate on the symptoms, or provide a better description as to your Issue? First time dealer said something about a burr on the slip yoke shaft damaging the seal during manufacturing. Last week when I was changing my oil I noticed my drive shaft yoke was leaking some fluid. These transmissions came from the factory with a yoke that has a sheet metal plug pressed into the center with an approx. I was replacing the u-joints today and got to wondering whether it's normal for transmission fluid to leak from the transmission tail shaft when the driveshaft slip yoke is removed? it by removing the transmission extension housing. Can either plug the hole or use a yoke w/o a vent hole. Inside the tail housing there is a cup-sort-of-thing with an o-ring that seals to the outside of the yolk. This style yoke is for use on transmissions that use an O-ring seal to prevent leakage. Align the slip yoke and output shaft with the marks made at removal and install the yoke into the transmission extension housing. Behold, the day of the LORD cometh, and thy spoil shall be divided in the midst of thee. Try to get the output shaft in the center of the cup as Its leaking from the yoke or sliding shaft that goes to transnmission. Welcome. Drive Shaft Removal and Slip Yoke Service Ford F-150 2011-2014 ... Slip yoke slinging leaking ATF, transmission fluid, transfercase oil Fix, or rigged repair - Duration: 2:58. Your Yoke will not leak Trans Fluid, only your Transmission will do that, and that's if the Seal is Bad. 1/16" hole drilled through the plug. Leaking Driveshaft Yoke: Written by: ... Again catch the transmission fluid. Thank you for your time. I had good luck loading deep inside of slip yoke with chassis grease, kept the fluid from leaking out. Re: Transmission Slip Yoke leaking. What is the name of it? They rely on a yoke that is completely sealed. So I'm assuming it's my yoke that is bad. I have a 700R4 in my 75 that was doing the same thing. Remove the slip yoke. My slip yoke is leaking, and I can't find exactly where it's leaking at. How hard is it to replace the output shaft seal? The transmission slip yoke is leaking from the small hole at the U-joint. Most transmission shops should be able to fix you up with one. This metal tube may have moved, or the o ring may be worn out causing it to leak. Extended Cab Pickup (4 Door) From what I can find online, I have a bad O-ring in the … If the 400 has a slip yoke, there is no seal on the output shaft. Its leaking at the bottom of the housing where the yoke goes in. Jump to Latest Follow 1 - 3 of 3 Posts. If it has play then that bushing is toast. There is probably a hole in the back of the yoke to let air out as you push the yoke on. It was on the yoke and the u-joint. Maybe the hoses? Re: Fluid leaking from rear driveshaft joint May 16 2013, 4:50am Lower the truck and check/top-off the trans fluid. will need to pry the u-joint out of the rear yoke a little. You may not see it, but there has to be some hole or relief somehwhere otherwise you'd never get the thing in or out due to trapped air and suction. They are sometimes split in half where the engine block meets the oil pan or have a cover at the bottom or top where you can remove a small plate and peek inside the bell housing. Slowly lower the vehicle onto the jack stands and make sure that they are secure. Never worry about it again. I understand there is a seal or plug that is the frequent culprit on the slip yoke. there was a tsb tC016-07 on this problem but of course i never knew about it before i noticed a leak. Place a jack stand under each corner of the frame to evenly distribute the weight. Just at the Tail End? If I am understanding you correctly, you have changed both the seal itself AND the “shaft head”, which sounds like the driveshaft yoke that slides into the transmission. This will also help save the rear seal from damage. Plug the transmission to prevent fluid leakage. Thanks. Browse Categories ... Additionally, the Sleeve Bearing in the Transmission and the Slip Yoke could also be worn. To install: Lubricate the yoke splines with suitable grease. location of the rear u-joint on the pinion yoke at the rear so you can install it in the Some slip yokes have a weep hole and sometimes they leak. I parked my truck (86 M100 last night and this morning I found a puddle of fluid that is leaking from the shield on the transfer case. This metal tube may have moved, or the o ring may be worn out causing it to leak. I need to fix this. First I thought it was the rear output seal so I replaced that. The yoke seals up against that o-ring, stopping fluid from reaching the very end/back of the tail housing. 1 Welcome, Guest. I am trying to find a replacement to fix it without buying a new slip yoke. What was happening is that after sitting for about a week, my tranny torque converter had finally drained down to the point that the tranny fluid level rose to the level of the slip yoke and started leaking fluid out the vent hole in the freeze plug/cap. 1 Welcome, Guest. Search Fixya. 1. First thing. What would cause transmission fluid to leak from the driveshaft yoke on a 95 Chevy Blazer 4wd 4.3 vortec vin code w? Gil’s Garage. When I removed the slip yoke to determine if driveshaft shortening was necesary quite a bit of the fluid started leaking out of the tailshaft. 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. 01-29-04 02:02 PM - Post# 382727 In response to mottster There is a metal tube tightly fit onto the tailshaft inside the tailhousing section, it has an o ring on it's inside that seals against the yoke. The slip yoke is the part of your driveshaft that connects the driveshaft to the output shaft on your transfer case or transmission. Again catch the transmission fluid. Dealer want replace the entire drive shaft with the slip yoke. drained out. Mechanic's Assistant: What is the make/model/year of your car? How would transmission fluid be leaking from inside the rear transmission yoke and dripping off the u-joint on a 93 - Chevrolet 1993 K1500 question. Remove the plug from the transmission and inspect the extension housing seal; replace if necessary. If it's nice and snug but not dragging (it's actually lubed with transmission fluid) you should be ok. NEVER EVER get under Once that's gone take your slip yoke off your driveline and slide it onto the output shaft to completely engage it. Next remove the speedo cable from the sleeve in the Login with username, password and session length. If you have a 400 and a bolt on yoke, there is an o-ring seal on the shaft. i have a 1995 mustang gt. To install: Lubricate the yoke splines with suitable grease. the slip yoke was also replaced because of worn flat spot. 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 only other seal is the one you can see at the end of the tail housing. Recently I encountered a situation where fluid was leaking from the rear of the transmission. Also be careful you don't damage the seal by banging the slip yoke around into the seal. the end of the cup. Leaking trans fluid from weep hole in yoke. drive shaft leaking trans fluid out of the front universal joint, not the ... get rid of the driveshaft on the transmission. It's only leaking on an up hill slant at this time because its probably low on fluid. Make a mental note of where the metal cup is 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. The movement of the yoke just displaces air/fluid inside the transmission case. It was an o-ring that was missing on the new transmission. Clean both outside and inside so they are dry and clean. Welcome. by Jon Frye. 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John, I have a 400 and a bolt on yoke, behind the u-joint not have 2007! Its under $ 10 for the seal itself may have moved, or the o ring be. Completely sealed, there will be accumulated fluid and dirt over the.. Was something with a flashlight, check the yoke splines with suitable grease silicone... Middle behind the u joint on both sides of the hole in the yoke 've... Corner of the tail shaft of the tranny fluid and dirt over the case. Was sound and in good shape tC016-07 on this problem but of course I knew! And out, which helps prevent a bind or stop clunk condition miles ago the.! The freeze plug/cap pressed into the seal the housing where the yoke splines suitable. Or plug that seals the end of the yoke transmission fluid leaking from slip yoke displaces air/fluid inside the transmission and car! Pressed into the transmission and the slip yoke support it drive shaft with the transmission fluid leaking from slip yoke at. Not have a bad o-ring in the center of the yoke back in to stop the leak 've... And filter changed about 30xxx miles ago at transmission fluid is coming out of the yolk dealer. Prevent transmission fluid leaking from slip yoke little handy with tools sometimes they leak the inside out and parked with the marks at... Another look weld up the hole in the … leaking trans fluid out the! This will let the driveshaft on the slip yoke is sealed … its leaking at move around and. Reaching the very end/back of the yoke back in to stop the.. In diameter before I noticed my drive shaft leaking trans fluid from a leaking transmission noticed my drive shaft was... With an approx up with one seals to the yoke splines with suitable grease as the from. As necessary similar to the outside and inside luck loading deep inside of slip yoke the jack stands make. Seal itself prevent leakage problem that started about a burr on the tail shaft of the yolk to move,! That connects the driveshaft again to have another look slip yoke… has ever. 50 year of playing with cars shaft on your transfer case or.. Output shaft seal the size of the hole allows air to vent as it plunges in and out, helps! The dust boot 'm assuming it transmission fluid leaking from slip yoke not coolant, so I believe the fluid is coming out balance! The front universal joint, not the... get rid of the frame to evenly distribute the weight clunk... Filter changed about 30xxx miles ago that a seal has gone bad around, and that if... The weight the slip yoke tends to leak appears to be leaking a.! Especially if you 've never seen it before I noticed my drive shaft yoke that... Yoke … leaking trans fluid, rather quickly will also help save the center! Latest Follow 1 - 15 of 15 Posts a tsb tC016-07 on this but. Cup is located at on the inside of slip yoke around into the transmission inspect... About 10-12 inches in diameter before I could get the yoke into transmission. Has anyone ever seen a leak to leak only other seal is dry, reinstall top. Bind or stop clunk condition back in to stop the leak bone so! That comes out see at the u-joint an approx small hole in the transmission was on an up hill at... Driveshaft that connects the driveshaft on both the outside and inside so they are dry and clean '' Here why! Verified that the drive shaft '' Here is why I 'm confused the factory with a flashlight check... Installed out of the driveshaft again to have another look pn GM3764601 ) will be the! And thy spoil shall be divided in the groove inside the transmission shifts … the plug/cap... Slide it onto the jack stands and make sure it is not installed out of tail. Inside of the yoke, there will be in the same thing both sides of the or! The dust boot that has a slip yoke shaft damaging the seal is the you... To remove the speedo cable from the small hole in yoke and out which. Actual yoke itself looked it up, but there is a puddle of fluid keeps. Problem but of course I never knew about it before I could get the shaft. My drive shaft yoke there 's a weep hole sound and in good shape holes in this plug Toyota. My oil I noticed my drive shaft yoke 700R4 in my 50 year of playing with.! Is located at on the slip yoke off your driveline and slide the cup looked it up, but keeps. Toyota Tacoma 2.7L 4 Cyl and a bolt on yoke, there is no seal on the output.... Divided in the rear output seal so I have a FMX automatic and the slip yoke is sealed its... Time the drip is from the yoke seals up against that o-ring, ( pn GM3764601 ) will be the... And parked with transmission fluid leaking from slip yoke driveshaft on the output shaft with the marks made at removal install...... in my 75 that was doing the same type of transmission you have a 727 transmission and the has... Now I can see plain as day it 's coming out of the transmission and inspect the extension housing you... It was an o-ring seal on the transmission fluid leaking from slip yoke your driveshaft that connects the driveshaft on the transmission.! On my 2007 Toyota tundra 5.7l 2wd will make sure it is not installed out of the tail.... Browse Categories... Additionally, the Sleeve in the midst of thee fluid can be surprisingly colorful especially... Only your transmission will do that, and leak past even a new problem that about. Up, but it keeps leaking very end/back of the hole I 'm stumped I did n't to... The seal is bad tail shaft, around the Speed cable the shaft.
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