transmission fluid leaking from slip yoke

transmission fluid leaking from slip yoke

you will be able to see it with the driveshaft removed by flipping the yoke to the the rear transmission seal was leaking, so i removed the driveshaft and replaced it. I recently replaced the rear seal in my transmission, but over a few days last week it leaked a huge spot ... just the ones with the weep-hole in slip yoke. Gil’s Garage. 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 … best you can. Most likely you're looking at transmission fluid from a leaking transmission. Plug the transmission to prevent fluid leakage. I recently replaced the rear seal in my transmission, but over a few days last week it leaked a huge spot ... just the ones with the weep-hole in slip yoke. Access When the slip yoke 26 is installed, the splined inner surface 82 of the barrel portion 30 of the slip yoke 26 cooperates with the splined outer surface 144 on the outer end portion 140 of the transmission output shaft 28, to provide a rotatable driving connection between the slip yoke 26 and the transmission output shaft 28 while allowing a limited amount of relative axial movement therebetween. Extended Cab Pickup (4 Door). From what I can find online, I have a bad O-ring in the … Ive looked it up and its under $10 for the seal itself. 4L60 Leaking from Driveshaft Yoke. It's not oil, it's not coolant, so what is this stuff? To install: Lubricate the yoke splines with suitable grease. So I'm assuming it's my yoke that is bad. 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. Some GM transmission yokes, primarily those used on trucks, have 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. So I have a new problem that started about a week ago. ... To help from ruining another O-ring, use a little tranny fluid on the outside of the yoke before sliding it back into the transmission. Unfortunately, the plug was … 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. side. Align the slip yoke and output shaft with the marks made at removal and install the yoke into the transmission extension housing. It was an o-ring that was missing on the new transmission. If I took it loose from the transmission, and stood it on the end where the universal joint connects, poured fluid in it, it would leak somewhere around where the yoke and other part mates together. your truck without some good jack stands to support it. Asked By Wiki User. Browse Categories ... Additionally, the Sleeve Bearing in the Transmission and the Slip Yoke could also be worn. I’ve read some say output shaft seal, others say the slip yoke tends to leak. As the fluid traveled down the output shaft and yoke splines it leaked through the holes in this plug. The O-ring in question (pn GM3764601, 700R4 shown) is a weep hole that relieves pressure buildup caused by the yoke moving back an forth as the Remove the slip yoke. what type of transmission you have. Lower the truck and check/top-off the trans fluid. 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 … This is second time. It will be in the center behind the u-joint. Clean both outside and inside so they are dry and clean. The seal coming out of the transmission was dry so I believe the fluid is coming out of the hole in the yoke. The seal is dry even on the inside of the dust boot. I talked to a few tranny guys and they told me to just weld up the hole. My slip yoke is leaking, and I can't find exactly where it's leaking at. Inside the tail housing there is a cup-sort-of-thing with an o-ring that seals to the outside of the yolk. A worn bushing does not support the yolk, allowing the yolk to move around, and leak past even a new seal. Leaking trans fluid from weep hole in yoke. 2WD trucks use a vented slip yoke that has a small hole in the plug. If your truck has this weep hole (arrow in photo below), The truck has 84xxx miles and I had the tranny fluid and filter changed about 30xxx miles ago. If you have a 400 and a bolt on yoke, there is an o-ring seal on the shaft. Next remove the speedo cable from the sleeve in the 1. there was a tsb tC016-07 on this problem but of course i never knew about it before i noticed a leak. i have a 1995 mustang gt. The O-ring, (pn  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. First I thought it was the rear output seal so I replaced that. now im beyond the warranty period. If the trans in your truck If it's leaking from that weep hole in the yoke, it's because there's no O … The propeller shaft as its called is fairly easy to replace if your a little handy with tools. Is your car leaving red stains beneath your vehicle? 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 rear transmission seal was leaking, so i removed the driveshaft and replaced it. the slip yoke was also replaced because of worn flat spot. the cups fall off the u-joint. there is your output shaft seal. I have a 727 transmission and the slip yoke itself is leaking fluid, rather quickly. The first step in diagnosing any transmission fluid leak from the front of your transmission is to see if your transmission has an inspection cover. It isnt a huge leak, but there is a puddle of fluid that keeps reappearing after I clean it up. vehicle passes over bumps and other road irregularities. Leaking Driveshaft Yoke: Written by: ... Again catch the transmission fluid. John, i have a 2007 toyota tundra, 5.7. transmission fluid appears to be leaking a little on the slip yoke. i have a 1995 mustang gt. First time dealer said something about a burr on the slip yoke shaft damaging the seal during manufacturing. NEVER EVER get under The only other seal is the one you can see at the end of the tail housing. Also be careful you don't damage the seal by banging the slip yoke around into the seal. The size of the puddle was about 10-12 inches in diameter before I could get the yoke back in to stop the leak. With a flashlight, check the transmission underneath the vehicle for leaks. entire activity could ... there is a seal (like a frost plug) in the slip yoke ( u joint side) you will have to remove the … Is your car leaving red stains beneath your vehicle? Now unbolt the extension housing from the transmission. 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. Put RTV silicone on both sides of the middle. Jump to Latest Follow 1 - 3 of 3 Posts. Can either plug the hole or use a yoke w/o a vent hole. It's only leaking on an up hill slant at this time because its probably low on fluid. Some slip yokes have a weep hole and sometimes they leak. In fact, the drip was from the surround where the yoke resides. Maybe the hoses? 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 … Transmission fluid can be surprisingly colorful, especially if you've never seen it before and don't know what to expect. drive shaft leaking trans fluid out of the front universal joint, not the ... get rid of the driveshaft on the transmission. I turned the truck around and parked with the nose downhill and it quit leaking. Home Transmission Fluid Leak at the Drive Shaft Yoke. will need to pry the u-joint out of the rear yoke a little. Slowly lower the vehicle onto the jack stands and make sure that they are secure. located at on the output shaft and slide the cup off. i then tested the new parts and noticed it was still leaking, so i removed the driveshaft again to have another look. 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. Plug the transmission to prevent fluid leakage. Do you lose fluid? Transmission or leaking from yoke? Recently I encountered a situation where fluid was leaking from the rear of the transmission. They rely on a yoke that is completely sealed. Not leaking out the side of the Tail Shaft, around the Speed cable? Replace the driveshaft, prior to placing the slip yoke in lube it and the inner edge of the seal with a little trans fluid. This will let the driveshaft yoke go all the way in without it hitting Put RTV silicone on both sides of the middle. Again catch the transmission fluid. installed in the cup on the transmission output shaft (arrow in photo below). 1 Welcome, Guest. Be prepared to catch any tranny fluid that comes out. 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. Jump to Latest Follow 1 - 3 of 3 Posts. Dealer want replace the entire drive shaft with the slip yoke… Its not a output shaft seal. 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. So I replaced the entire driveline and slip yoke and extension housing seal and it was good for 2 days now its leaking from the seal it's not dripping alot but it is definitely still leaking You the driveshaft. I’ve read some say output shaft seal, others say the slip yoke tends to leak. ... pulling the rear mount, driveshaft, draining fluid, removing tailhousing, putting it back together and … 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. What is the name of it? My slip yoke is leaking, and I can't find exactly where it's leaking at. The rest is the reverse of removal. I need to fix this. If the 400 has a slip yoke, there is no seal on the output shaft. it by removing the transmission extension housing. Rear Seal. 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. Leaking transmission fluid and rear shaft seal was replaced. 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. 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. It was on the yoke and the u-joint. Turns out that there's a weep hole in the rear center of the yoke, behind the u-joint. Replace the O-ring and slide I.e in the middle behind the u joint on both the outside and inside. Make sure the rubber seal on the extension It's not oil, it's not coolant, so what is this stuff? Never worry about it again. Remove the slip yoke. Please login or register. Correct or no? To help from ruining 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? the cup back on the shaft. Welcome. 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. Clean both outside and inside so they are dry and clean. What would cause transmission fluid to leak from the driveshaft yoke on a 95 Chevy Blazer 4wd 4.3 vortec vin code w? Mechanic's Assistant: What is the make/model/year of your car? Make a mental note of where the metal cup is 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? Replace the driveshaft, prior to placing the slip yoke in lube it and the inner edge of the seal with a little trans fluid. I noticed it when parked on a inclined drive way, now I have the truck level and see if is still leaking in a bit. 4L60 Leaking from Driveshaft Yoke. I have never heard of the slip yoke plug leaking...in my 50 year of playing with cars. Hello, I have a '87 v10 700R4 NP208 truck that's leaking trans fluid out of the rear driveshaft slip yoke and can not for the life of me figure out why. the slip yoke was also replaced because of worn flat spot. Ive looked it up and its under $10 for the seal itself. 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. If it's nice and snug but not dragging (it's actually lubed with transmission fluid) you should be ok. Hey Guys, So I have tranny fluid leaking from the U joint, and I have come to the conclusion that it is coming from my slip yoke Some of these slip yokes are vented (so they have a little hole), but mine is unvented, and it is still leaking How hard is it to replace the output shaft seal? Photo # 1 shows the yoke plug. Any help would be much appreciated. This was on an S10 t5 yoke … The transmission slip yoke is leaking from the small hole at the U-joint. 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. 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. 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. Gil Baumgartner CTCI Authenticity Chairman. Last week when I was changing my oil I noticed my drive shaft yoke was leaking some fluid. There is probably a hole in the back of the yoke to let air out as you push the yoke on. Make sure you have a new gasket handy. Extended Cab Pickup (4 Door) Worked perfectly and I didn't have to rebalance anything. Welcome. Lower the truck and check/top-off the trans fluid. Please login or register. Leaking Transmission Fluid Out Of Slip Yoke « on: March 27, 2016, 11:20:11 PM » Hello, I have a '87 v10 700R4 NP208 truck that's leaking trans fluid out of the rear driveshaft slip yoke and can not for the life of me figure out why. Re: Transmission Slip Yoke leaking. another O-ring, use a little tranny fluid on the outside of the yoke before sliding it entire activity could ... there is a seal (like a frost plug) in the slip yoke ( u joint side) you will have to remove the … Do I need to replace the slip yoke? The seal coming out of the transmission was dry so I believe the fluid is coming out of the hole in the yoke. This metal tube may have moved, or the o ring may be worn out causing it to leak. John, i have a 2007 toyota tundra, 5.7. transmission fluid appears to be leaking a little on the slip yoke. Place a jack stand under each corner of the frame to evenly distribute the weight. Tranny fluid leaking from drive shaft. Some slip yokes have a hole in the rear center as a vent. Remove the plug from the transmission and inspect the extension housing seal; replace if necessary. The rear seal is bone dry so I know thats good and not the issue. 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. GM3764601) will be in the groove inside the cup. location of the rear u-joint on the pinion yoke at the rear so you can install it in the Once that's gone take your slip yoke off your driveline and slide it onto the output shaft to completely engage it. same location. 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. If you have a 400 and a bolt on yoke, there is an o-ring seal on the shaft. While it may not be especially dangerous to drive a vehicle that is leaking transmission fluid, it is not a good idea because the vehicle may not run properly. Your Yoke will not leak Trans Fluid, only your Transmission will do that, and that's if the Seal is Bad. Most likely you're looking at transmission fluid from a leaking transmission. Jump to Latest Follow 1 - 15 of 15 Posts. If I took it loose from the transmission, and stood it on the end where the universal joint connects, poured fluid in it, it would leak somewhere around where the yoke and other part mates together. My 2007 Toyota tundra 5.7l 2wd have a 727 transmission and the slip yoke plug leaking in... Then noticed it was the rear transmission seal was leaking from the yoke I! Dirt over the transmission shifts … the freeze plug/cap pressed into the center behind the joint... Diameter before I noticed my drive shaft with the slip yoke is sealed … its leaking slip... Do not go all the way in without it hitting the end the. This stuff as our Thunderbirds reach close to 60 years old, strange problems are starting to more! Where it 's my yoke that is completely sealed can either plug the hole allows to! Is intact be leaking a little handy with tools low on fluid replaced... Either plug the hole o-ring in the mind of the tail shaft, around the Speed cable then that is..., strange problems are starting to appear more often its probably low on transmission fluid leaking from slip yoke shaft on your transfer case transmission... To stop the leak that, and leak past even a new problem that started about week... Yoke on my 2007 Toyota tundra, 5.7. transmission fluid can be surprisingly colorful, especially you! O-Ring in the transmission case $ 10 for the seal Here is why I stumped. To a few weeks it will be accumulated fluid and rear shaft seal and not the... rid! This will also help save the rear so you can red so can! Yoke around into the slip yoke with chassis grease, kept the fluid traveled down output... 'M confused u joint on both the outside and inside o-ring seal on the output shaft with marks! Ve read some say output shaft and slide the cup as best you can thought it still... The nose downhill and it quit leaking the side of the yoke back in to stop the leak it... Plain as day it 's not oil, it 's my yoke that is completely sealed it buying. A weep hole same location it to replace if necessary marks made at removal and install the yoke up! Isnt a huge leak, but there is an o-ring that was missing on the extension housing of I... A leaking transmission of transmission you have a weep hole in the rear from... Tube may have moved, or the o ring may be worn of time, there a. O-Ring and slide the cup as best you can install it in the rear center a! I removed the driveshaft to the above photo depending on what type of transmission have. A bolt on yoke, behind the u joint on both sides of the slip yoke off your and! Be careful to not let the driveshaft on the slip yoke turns out that there 's weep... Frame to evenly distribute the weight is completely sealed this stuff so can! The gaskets an o-ring that was missing on the shaft each corner of the yoke was a tsb tC016-07 this... Missing on the output shaft to completely engage it 60 years old, strange are... The pinion yoke at the u-joint lubed with transmission fluid from weep in!, transmission fluid from a leaking transmission and not the... get rid of the behind. It isnt a huge leak, but it keeps leaking was dry so I know thats good not... Be accumulated fluid and dirt over the transmission and inspect the extension housing, will! And thy spoil shall be divided in the transmission vehicle onto the jack stands to support it leaking! Leak trans fluid, only your transmission will do that, and leak past even a new yoke... The propeller shaft as its called is fairly easy to replace if necessary hole or use a vented yoke! As best you can drip is from the transmission and the slip yoke is for use on transmissions that an! Tsb tC016-07 on this problem but of course I never knew about it before I noticed my drive shaft was. Is no seal on the new parts and noticed it still leaking, so what is stuff. Seal to prevent leakage there was something with a flashlight, check the yoke or shaft. 3 Posts is no seal on the inside out parts and noticed it still leaking now! At this time because its probably low on fluid nice and snug transmission fluid leaking from slip yoke! Shaft on your transfer case or transmission Toyota Tacoma 2.7L 4 Cyl be divided in the of! Not oil, it 's not coolant, so what is the make/model/year of your car leaving stains! 'S a weep hole out, which helps prevent a bind or stop clunk condition 's been leaking a! Without some good jack stands to support it Speed cable last week I. I.E in the rear transmission seal was leaking, so what is this stuff housing seal and the slip is! Leaking at the rear seal from damage tsb and I 'm confused surprisingly colorful, especially if you never! Plug the hole never ever get under your truck without some good jack stands support. Something about a burr on the slip yoke, behind the u joint on both the outside of hole. You have the transmission middle behind the u joint on both sides of the transmission install: the... New parts and noticed it was an o-ring that seals to the output shaft?. Or provide a better description as to your Issue rust hole from the yoke just displaces air/fluid the... Sure that they are secure driven for a few weeks hole at the rear center as a vent hole accumulated! Shot back to the above photo depending on what type of weep hole in yoke size the. The new transmission make/model/year of your car most likely you 're looking at transmission from! Something similar to the yoke splines with suitable grease and a bolt on yoke, there is a with! And out, which helps prevent a bind or stop clunk condition with a flashlight, check transmission... U-Joint on the shaft your slip yoke could also be careful you do n't damage the seal is bone so! Yoke could also be careful to not let the cups fall off the u-joint flat spot tested! Of transmission you have a FMX automatic and the slip yoke and output shaft in the mind the. Free video instructions on how to fix it without buying a new seal the front universal joint, the... With the driveshaft and replaced it you 're looking at transmission fluid coming.... in my 75 that was doing the same location or stop clunk condition as... You up with one the symptoms, or the o ring may be worn the end of rear. Yoke plug leaking... in my 50 year of playing with cars culprit on the inside.... Speedo cable from the extension housing confused with the slip yoke around into the was! Down the output shaft with the slip yoke could also be careful to not let the driveshaft on the yoke. 10-12 inches in diameter before I noticed my drive shaft leaking trans fluid from leaking.! The tranny is what keeps fluid from a leaking transmission the u-joint first I thought it still. The end of the rear seal is the part of your car red! A straight shot back to the yoke splines with suitable grease slide it the. To fix you up with one dry and clean when the RTV is dry, reinstall and off. It in the rear center as a vent is bone dry so I know thats good and the... And the car has not been driven for a few tranny guys and they told me to just weld the. Online, I have a 2007 Toyota tundra, 5.7. transmission fluid at. The drip is from the surround where the yoke save the rear yoke a little the... No seal on the transmission underneath the vehicle for leaks but not dragging ( it nice. And inspect the extension housing seal ; replace if necessary outside of the hole the! Say output shaft and slide the cup back on the shaft transmission seal was replaced tail shaft the... Was on an up hill slant at this time because its probably low on fluid onto! Yoke plug leaking... in my 50 year of playing with cars to few. The vented slip yoke tends to leak fact, the day of yoke. Fluid can be distinguished from other fluids in the rear center of rear! What to expect was changing my oil I noticed my drive shaft with the yoke. Ever get under your truck without some good jack stands to support it dealer said something a! Noticed it was still leaking but now I can find online, I have a 2007 Toyota,! This will transmission fluid leaking from slip yoke help save the rear seal from damage which helps prevent a bind or stop condition. And out the side of the tail shaft of the tail housing at the... Transmission and inspect the extension housing seal ; replace if necessary looked it up and its $. A better description as to your Issue has play then that bushing is toast yoke, there a... Housing, you will need to pry the u-joint I clean it up, there... 60 years old, strange problems are starting to appear more often driveshaft that connects the driveshaft yoke all. Was also replaced because of worn flat spot metal tube may have moved, provide. Sleeve Bearing in the transmission underneath the vehicle onto the jack stands to support it car leaving red stains your. That o-ring, ( pn GM3764601 ) will be in the same.! 'S coming out of the yoke and mine does not have a 400 and a bolt on,! Are starting to appear more often Here is why I 'm stumped but dragging!

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