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CV axle seal...part 3? Ugh #4586976
11/27/17 07:53 PM
11/27/17 07:53 PM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline OP
HoosierJeeper  Offline OP
Joined: Nov 2016
Posts: 1,283
WI
Couple weeks ago I replaced the driver's side CV axle seal on my Liberty. Leaked again. Figured out it was because I didn't pack the back of it with grease and the metal "rubber band" thing got deformed and I also stupidly pounded on the inner lip. Took it back out, put a new seal in and back the whole back of it, the seal around the CV shaft and then the part that touches the diff with this stuff...basically anything rubbery I coated with this.
https://www.summitracing.com/parts/lbg-1...wgaAietEALw_wcB

Drove it for about a week, no leaks. Perfect! Checked it today and there was a blue drip. Ugh. Felt waxy. I'm assuming it's just the excess assembly lube that was outside the seal working itself out? I figure that stuff has a low melting point so it's not permanent.

Think I screwed up again?


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: CV axle seal...part 3? Ugh [Re: HoosierJeeper] #4587065
11/27/17 09:36 PM
11/27/17 09:36 PM
Joined: Dec 2014
Posts: 1,526
NY, USA, etc.
oilpsi2high Offline
oilpsi2high  Offline
Joined: Dec 2014
Posts: 1,526
NY, USA, etc.
The axle shaft that goes through the seal could be scored and allowing fluid to leak, even with a new seal.

I have a car that is like this. I would replace the seal and it kept leaking because the CV shaft was scored.

I resorted to just topping up the trans fluid at oil changes, but recently noticed the axle was starting to leak from the boot, so I finally ordered new axles and seals to go along with them.

Last edited by oilpsi2high; 11/27/17 09:38 PM.
Re: CV axle seal...part 3? Ugh [Re: HoosierJeeper] #4587071
11/27/17 09:51 PM
11/27/17 09:51 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
How is the surface that the flange presses up against ? If that surface is damaged, you'll have a leak.

Re: CV axle seal...part 3? Ugh [Re: HoosierJeeper] #4587225
11/28/17 06:24 AM
11/28/17 06:24 AM
Joined: Nov 2016
Posts: 1,283
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HoosierJeeper Offline OP
HoosierJeeper  Offline OP
Joined: Nov 2016
Posts: 1,283
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The CV shaft is 6 months old (no damage on it, looks/feels new) and the diff isn't scratched/marred at all. There's no play in the CV at all.

Last edited by HoosierJeeper; 11/28/17 06:25 AM.

15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: CV axle seal...part 3? Ugh [Re: HoosierJeeper] #4587240
11/28/17 06:48 AM
11/28/17 06:48 AM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline OP
HoosierJeeper  Offline OP
Joined: Nov 2016
Posts: 1,283
WI
I just don't understand how it can be fine for a week/100-150 miles (whereas the first time I replaced it, it leaked instantly upon driving it).


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: CV axle seal...part 3? Ugh [Re: HoosierJeeper] #4587300
11/28/17 08:19 AM
11/28/17 08:19 AM
Joined: Nov 2006
Posts: 20,570
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,570
MA, Mittelfranken.de
That stuff is designed to melt into the transmission fluid, its harmless and doing pretty much what its supposed to. I doubt you have an issue.


ASE L1, Master. Deutsch Meisterbrief.
Re: CV axle seal...part 3? Ugh [Re: HoosierJeeper] #4588541
11/29/17 09:01 AM
11/29/17 09:01 AM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline OP
HoosierJeeper  Offline OP
Joined: Nov 2016
Posts: 1,283
WI
Here's a pic of the seal, I colored in the areas I put the grease on. I put it all around the outer part but didn't shade the whole thing so I didn't clutter up the pic too much.


I guess my thinking is that grease might take a while to melt. Since a diff probably doesn't get all that warm (at least doing shorter trips and in cooler weather), I'm thinking it might be a while before it all comes out. I'm just concerned what I'm seeing come out is from inside, but I guess there's no real way of knowing that.

Last edited by HoosierJeeper; 11/29/17 09:03 AM.

15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)

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