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front diff leak. axle seal?

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Old 02-15-2012, 09:02 AM   #1
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front diff leak. axle seal?

went mud riding/trail riding saturday with some fellow tw members. had some belt whining issues i will leave them be because i found this..front diff fluid leaking.. 2 puddle like spots on my driveway. one from last night and one from the night before im guessing. drive side axle seal or something? didnt see any cracks on the front diff. it looks like its coming from where the axle goes into the diff. what do you guys think it is? hopefully an easy change


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Old 02-15-2012, 09:37 AM   #2
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yep diff seal leak. dont let diff run out of the fluid. luckily its easy change
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Old 02-15-2012, 09:58 AM   #3
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think i could temporary remove the axle and plug the hole with something till the seal comes in? 2-4 days. i wont be able to work on it till monday though work this weekend.
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Old 02-15-2012, 11:04 AM   #4
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Quote:
Originally Posted by GotLift37 View Post
think i could temporary remove the axle and plug the hole with something till the seal comes in? 2-4 days. i wont be able to work on it till monday though work this weekend.
You could, but effort to do this is pretty much the same as to replacing seal. So no point of doing it If you stop by Toyota they can probably get you seal in one day. In the meantime buy some cheap diff fluid for top off that is 85-140 that will slow down leaking.
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Old 02-15-2012, 02:07 PM   #5
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ok 85-140 is what i bought. have my 10mm hex for the plug.. just cant find my damn ratchet lol
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Old 02-15-2012, 04:38 PM   #6
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Done this like 3 times. Defenintly the axle seal. Not to hard to replace.
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Old 03-10-2012, 02:32 PM   #7
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did you fix the seal your self and how long did it take?
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Old 03-10-2012, 03:40 PM   #8
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no i havent fixed it yet.. couldnt get the seal in... dont know how to do it. if u have any expierence in removing axles it speeds up the process. just have to remove the axle and replace the seal. my seal was so ate up im going to have to take my front diff out to scrape all the old seal out and get the new one in.
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Old 03-15-2012, 01:03 AM   #9
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I've had this issue at least 6 times. Luckily I'm still under warrenty and the local shop takes care of it for me. Even when I don't go out on the trail, this starts leaking at least once a month. Anyone have any ideas why the seal would just "go bad" after a few weeks?
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Old 04-10-2012, 04:34 PM   #10
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I just replaced my diff bearing with a bushing from east coast gear supply. Replaced the seal at the time. Now I am having a slow leak only while driving. Does anyone know if the seal is snug to the cv axel? like if you filled it up to much with fluid would it come out by the axel? I am so pissed it was a pain to take that cv axel out the first time now to do it all over again...
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Old 04-11-2012, 09:45 AM   #11
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if you filled it up to much it still shouldnt come out by the axle. I fill up all my diff's till they start to drip out of the fill plug. then put the plug back in and tighten it down. yes its a pain to remove the axles. i have to do that again also
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Old 04-11-2012, 02:25 PM   #12
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Just ordered my new seal today comes in Friday. Looks like secOnd weekend in a row I will be ripping into the front diff..
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Old 02-04-2014, 10:08 AM   #13
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Are you all having this problem with the passanger side?? My damn truck is giving me a hell of a time with my pass. Side diff seal. I replace it 4 times, two different cv axles n that's it so far n no fix. Cv's are from autozone, I gave up n took it in to a mechanics shop to get it fixed n now they telling me it's the axle that needs replacing, supposedly the autozone axles are crap so they are putting me on a different cv axle they said is better in quality. I'm starting to feel like I'm being put on that magic carpet ride..... But with all your guys' help I hopefully can get my issue taken care of. Btw I have a toytec coilover lift. Mechanic also said if axle don't fix seal leak then it's the lift causing it,,, so you see now why it sounds like I'm being set up.... Or I feel that way myself... Just don't wanna be getting messed with n possibly ripped off
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Old 02-04-2014, 06:06 PM   #14
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OP, I run into this pretty often after wheeling. Sometimes dirt/mud will get in that area and cause the seal to leak, and sometimes a clogged diff vent will cause pressure build up in the front diff, forcing a slight leak at an axle seal. Consider inspecting/cleaning the front diff vent, and using some brake clean spray to get into the area around the CV axle where it enters the housing at the seal. Clean it real well, and blow it dry with some compressed air if you have access to it. I have had my seal leak after almost every wheeling trip. I clean the affected area, clean off dirt/dust from the vent, and no more leaking.



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Originally Posted by jayyyg84 View Post
Are you all having this problem with the passanger side?? My damn truck is giving me a hell of a time with my pass. Side diff seal. I replace it 4 times, two different cv axles n that's it so far n no fix. Cv's are from autozone, I gave up n took it in to a mechanics shop to get it fixed n now they telling me it's the axle that needs replacing, supposedly the autozone axles are crap so they are putting me on a different cv axle they said is better in quality. I'm starting to feel like I'm being put on that magic carpet ride..... But with all your guys' help I hopefully can get my issue taken care of. Btw I have a toytec coilover lift. Mechanic also said if axle don't fix seal leak then it's the lift causing it,,, so you see now why it sounds like I'm being set up.... Or I feel that way myself... Just don't wanna be getting messed with n possibly ripped off
Repeated axle seal failures are typically due to a bad front diff output shaft bearing, which is what the CV axle rides on inside the diff. Most likely your bearing is bad. Check with ECGS on a search here and you will find the replacement bushings. Swap out the seals and bushings, install a NEW CV axle (The most recent one you have installed has probably already been damaged by the failed bearing) and you should be good to go.
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Old 02-05-2014, 08:22 PM   #15
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Well got my truck back from mechanic n no leaks so far N it's been couple days..... I guess I'll be checking it periodically just to be sure! Finally feel some relief.

So according to the mechanic the new cv axle is what solved the problem of the leaky diff seal. I was told the new cv came with a dust shield that goes between the cv n diff housing n apparently my cv that I bought from autozone didn't have one. Maybe he was right about autozone having sub par replacement parts n luck getting parts that last a while.
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Old 02-15-2014, 08:14 AM   #16
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Glad you fixed it OP, my pass side diff was leaking as well and I replaced the seal and bought a back up CV from napa auto, dang thing kept leaking and I finally took it over to Ramjet rear end repair in the San Fernando Valley. Found out that the front diff output shaft bearing was at the end of its life and needed to be replaced, first time, replaced it and now good as new, I paid $225.00 for parts and labor not sure if it was to much but now its good as new..
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Old 04-16-2014, 04:09 PM   #17
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Shit I really need to do this. My drivers side hand been leaking since October!!!!
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Old 05-06-2014, 08:13 PM   #19
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passenger side axle shaft seal

is it possible to push the seal to far back i pushed it back till it stopped but i think i need to stop flush so the little ring on the axle shaft sits in the little lip of the seal is this correct
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