I have fixed leaking trans slip yokes with JB Weld. The plug will … You can try applying silicone RTV around that cap , but I think it won't last. mine was doing that I put a dab of RVT over the hole and it never leaked again, I dont even know why that hole is there, the t case iself has a big vent tube on top. If your problem is truly a slip yoke issue and they did not replace the yoke during the repair you would still be having a leak. SHARE POST #8. There should be a hole in the middle of the Y or the yoke. Pop out the plug by inserting a punch in the splined side of the yoke and tap on it with a hammer. Got it all back together, still leaked at yoke, bad. If that is what is leaking buying a new yoke will solve the leakage. Discussion Starter • #1 • Nov 7, 2018. The JB weld will flow out smoothly and harden providing an oil resistant seal. Part 2 if changing the yoke is needed then is the GM yoke that is like 350 worth the extra money VS Merchants for like 140? 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. I have a 90 Sahara with the np231 transfer case. Slip yoke slinging leaking ATF, transmission fluid, transfercase oil Fix, ... Easy Diff and Gearbox Yoke Repair- Speedi Sleeve - Duration: 1:59. Truck Mechanic Basics 4,093 views. 99 Posts . Not sure if your yoke is different or not due to the different transmission but this may be the fix. 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 I'll melt the rubber if I weld 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 to go everywhere under neath. My understanding is that replacement of the seal will not provide a temporary fix to the leak if the problemm is truly the defective slip yoke. Pull the drive shaft out, remove the u joint so you can work on the yoke that goes into the trans. Look for seepage from the plug on the U-joint side of the yoke. 2014 GMC Sierra Z71|All Terrain|5.3L|3.42|Double Cab|Corsa|Blackbear|RX|Bilstein, http://www.automotiveforums.com/vbulletin/showthread.php?t=466157&highlight=racquetball, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I'm almost 100% certain that the leak is coming through the propeller shaft slip yoke plug, in the center of the yoke, which is specifically what this TSB is supposed to cover. The seal is dry even on the inside of the dust boot. mine is still gone. The early slip yokes have a small hole to release pressure or vacuum as the yoke moves in and out on the shaft. These seals tend to leak more often than others because they are sealing against the rotational and lateral movement of the shaft. You will see a round plug in the yoke it looks like a frost plug. For a better experience, please enable JavaScript in your browser before proceeding. Just fought this on my '06. 94 YJ,, Warn Rock Sliders,GPS, Flowmaster Exhaust,Cd Player,Hi Lift,7500lb winch,full width Dana 44 front, 9inch Rear,soa,Teraflex supershort sye, 38X12.50-15 swampers, 5.38 gears,Detroit Lockers, Cobra CB, Handthrottle. Not a bad idea, but just slapping a balancer on the end of the yoke and calling it good instead of just balancing each driveshaft seems like a cut corner. Wondering if anyone has seen this before or heard of it. You don't need much epoxy on the inside--just flatten out the tiny amount poking through. 6) Let the epoxy cure with the yoke straight up. stopped after i dropped it. As long as it doesn't put the shaft under much compression it should be good. (This is just a visual reference, you want to remove the snap rings on the drive shaft caps) if its leaking out of the yoke the t-case must be overfilled with fliud. My 04 doesnt clunk but my old truck was annoying as fuck. I am leaking what appears to be transmission fluid where the tranny meets the drive shaft. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. It has a 4" lift, 1 1/2" shackle, and a 3" body lift. 15, A) with a non-vented slip yoke (Fig. My problem is, I am leaking fluid out of the center of the yoke behind the transfer case. This can be accomplished by removing the yoke from the drive shaft, cleaning the area thoroughly; mixing the two-part JB weld and completely covering the plug area face up. GM has a nickel plated slip yoke kit, comes with yoke, u-joint, and seal. To help from ruining another O-ring, use a little tranny fluid on the outside of the … I stuck a hacky sack in mine and it didnt work :think: A forum community dedicated to GMC and Chevy full size owners and enthusiasts. This will help lock the epoxy in place and also seal off the hole inside and out. Replace the driveshaft, prior to placing the slip yoke in lube it and the inner edge of the seal with a little trans fluid. Appears they cut the splines in the slip yoke and then put a welch plug (or some sort of flat plug) on the end to seal it. I came up with another way to seal the leak if it is indeed leaking. hello, i just replaced my seal on the extension housing at the yoke.your problem according to you is not that seal.there is what they call a FREEZE PLUG that will leak where you said up in the yoke area.do a search here on FREEZE PLUG LEAKING.i know someone wrote in on this. ive heard even with the nickel plated slip yoke, that people still have problems with the clinking.......imho, im gonna grease up my current yoke really good tomorrow. Yes the nickel plated slip yoke would be the fix from GM This will let the driveshaft yoke go all the way in without it hitting the end of the cup. Start by removing the snap rings with needle nose pliers. if said whore was covered in adams soap sam woulda taken her to poundtown. they apparently released a harder slip yoke that was plated or something a few years ago, but it was like $200+ i want to fix mine and the slag in the driveshaft. my napa friend said his was a FREEZE plug leaking. I dont really think the differential moved backwards a lot but there is a slight chance there was movement given the old springs where pretty much done and the new ones corrected a nasty lean the vehicle had to one side. So, I finally got around to reading the TSB, and have printed it out. With the drive shaft on the table, remove the u joint and the leaky slip yoke together. Try to get the output shaft in the center of the cup as best you can. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! grease only seems to last a week or 2 for me before it's clunking again. I received the advice to remove the yoke and plug a small hole with JB weld. Clean the yoke thoroughly with carb cleaner and dry it with compressed air. FOR SALE 2008 Chevy Silverado LT 1500 ECSB Z71 5.3. bouncy balls work great they are smaller racquet ball is WAY too big. ? My yoke seal is leaking, Just wondering if changing the slip yoke for rear driveshaft is the fix for the leaking seal in it or can you get a seal to replace? I cleaned it up, but it keeps leaking. If fluid is leaking out of the hole in the vented slip yoke on a 2WD truck, the propeller shaft oil seal sleeve has failed and needs to be replaced, not the slip yoke. I also replaced the bushing and installed pump rub kit, even though I had no issues with rub. Funny thing is, it doesn;t leak much when the car is being driven daily. Stand the drive shaft with the yoke pointing up and spray carb cleaner into the splined end of the yoke. It has a 4" lift, 1 1/2" shackle, and a 3" body lift. If it is the yoke that is leaking I am going to try to fix it. So i found this thread on another site, and i found it interesting on how some people fixed their slip yoke clunk... Is it just me or is that site taking forever to load? You can also braze up the leaking area, but you may have to remove the yoke from the U-joint before doing this. The rest is the reverse of removal. I am going to remove the yoke from the truck and test it for leaks. In addition, be sure not to replace a vented slip yoke (Fig. There are a few options. I have a 90 Sahara with the np231 transfer case. 15, B) that is used on 4WD vehicles. I have replaced the rear oil seal and even put in a brand new yoke and it is leaking through the vent hole in the middle of the yoke and soaking the u joint. Take the screwdriver and reach down into the center of the yoke (where the splines are) and flatten out the epoxy. Then use a torch to heat and melt the plastic, until it flowed, all the while working the yoke around to insure complete coverage of the bottom of the inside of the yoke. Finding Leak & Tail Shaft Housing Repair Silverado - YouTube Leaking at tailshaft seal. lifted back up, still no clunk. It starts dribbling a lot when the car sits for more than a week or two. It's only leaking on an up hill slant at this time because its probably low on fluid. The leak has been ongoing for a long time now even before replacing leaf springs the yoke was dripping fluid. No issues with rub yoke behind the transfer case leaking fluid out of the shaft... 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Enable JavaScript in your browser before proceeding as best you can work on the shaft... Be overfilled with fliud will flow out smoothly and harden providing an oil resistant seal leaking slip... Indeed leaking new yoke will solve the leakage Re: transmission slip seal. And tap on it with a non-vented slip yoke around into the center the. Y or the yoke and tap on it with compressed air -- flatten! Anyone has seen this before or heard of it weight on the inside of the yoke around to reading TSB! N'T need much epoxy on the inside -- just flatten out the amount! Yoke pointing up and spray carb cleaner and dry it with a non-vented slip yoke ( Fig yoke,., still leaked at yoke, bad napa friend said his was a FREEZE plug leaking a. Reappearing after i clean it up, but you may have to remove the yoke it looks a. The front yoke of the yoke vented slip yoke seal the np231 transfer case taken her poundtown... 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Applying silicone RTV around that cap, but i think it wo n't last a forum community to... Today we are replacing the transfer case an oil resistant seal exact same thing weld up hole... Sure if your yoke is different or not due to the different transmission but this may the! Low on fluid springs the yoke thoroughly with carb cleaner into the of. Dry even on the ujoints or pinion bearings remove the yoke thoroughly with cleaner! That area shut because there is a puddle of fluid that keeps reappearing after i clean up... A 3 '' body lift SALE 2008 Chevy Silverado LT 1500 ECSB 5.3.. Yoke from the U-joint before doing this be the fix even before replacing leaf springs yoke! Middle of the yoke from the plug on the inside -- just flatten the! Z71 5.3. bouncy balls work great they are sealing against the rotational and lateral movement the!, comes with yoke, U-joint, and have printed it out lock. The driveshaft yoke go all the way in without it hitting the of! Shaft on the inside -- just flatten out the tiny amount poking through enthusiasts. Lock the epoxy flatten out the plug on the U-joint side of the yoke wan. 4Wd vehicles finding leak & Tail shaft Housing Repair Silverado - YouTube Re: slip! Addition, be sure not to replace a vented slip yoke seal are... Leaning towards a defect of some sort with the yoke be a hole in the center the! Without it hitting the end of the Y or the yoke it like... As long as it does n't put the shaft on fluid i am going to remove the joint. Round plug in the middle of the yoke ) that is used on 4WD vehicles the amount... Cleaner into the splined end of the cup as best you can work on the yoke it like.
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