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Old 11-09-2015, 11:09 PM
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JK axle seals leaking

I have just hit 50k miles on a 2011 jk. Both rear axle seals are leaking and a small leak at the front of the rear diff. Have any of you had this leak at 50k miles? It is under 100k miles/5 years so the dealer is paying for it but I thought this would be a problem after 100k miles.

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Old 11-10-2015, 08:36 PM   #2
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80K miles on a 2008 2 door. Both sides have now been replaced. My 4 door with 120K miles still has the original seals.

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Old 11-10-2015, 08:39 PM   #3
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Found one of my front seals was leaking when having sleeves and gussets installed. 2012 with 47k miles..
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Old 11-11-2015, 02:39 AM   #4
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Im around 40k on a '13 JKU and have had the front (dana 30) passenger leak once and front driver leak twice, its going to the shop next week for the driver. Best i can tell its just hit and miss on having luck with the seals. At some point ill really fix it with a new axle housing but till then dealers problem :-)
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Old 11-11-2015, 06:50 AM   #6
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2014 jkur 34000 miles both fronts needed replacing and yes on 5/100000 warrant
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Old 11-11-2015, 07:39 AM   #7
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How were you able to tell the axle seals were leaking? Can you post pics?
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Old 11-11-2015, 10:48 AM   #8
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How were you able to tell the axle seals were leaking? Can you post pics?
you will know there will be gear oil coming out the ends. in my case on fronts it would leave splatter in wheel wells an just drip off the C's and leave a drop or two on the ground.
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Old 11-11-2015, 10:58 AM   #9
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Both rears have been replaced under warranty and the passenger side is leaking again...
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Old 11-11-2015, 01:58 PM   #10
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I believe i just discovered my passenger side front was leaking just the other day on my 07 jk with 69k. I can see the axle tube looks wet starting about 4 inches or so from the tire. What are the necessary parts that need to be replaced?
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Old 11-11-2015, 02:10 PM   #11
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I believe i just discovered my passenger side front was leaking just the other day on my 07 jk with 69k. I can see the axle tube looks wet starting about 4 inches or so from the tire. What are the necessary parts that need to be replaced?
The carrier has to be pulled, axles pulled. Swapping the seals is the easy part... Getting to them is the hard part.
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Old 11-11-2015, 10:16 PM   #12
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How were you able to tell the axle seals were leaking? Can you post pics?
In the rear, when I pulled my axles to replace the e-brake shoes, the seal has three ridges. Two of them had been compromised. Basically, evidence of rust made it past two of the ridges. I replaced the seals on both sides and because the bearings are sacrificed to remove the seals, the bearings were replaced as well.
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Old 11-12-2015, 11:08 PM   #13
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This brings up a question. I was planning to have C gussets installed when I replace my ball joints, but to do that, don't the axleshafts have to come out? Then the dealer could claim that removing and re-installing them damaged the seals?
Would not installing C gussets be a better idea? I have the Lifetime Warranty on my '14 2 Dr. Rubicon. Planning 255/80-17 KM2's, which are 33.5". Off-road every ride.
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Old 11-13-2015, 06:12 AM   #14
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Quote:
Originally Posted by Harleydav91 View Post
This brings up a question. I was planning to have C gussets installed when I replace my ball joints, but to do that, don't the axleshafts have to come out? Then the dealer could claim that removing and re-installing them damaged the seals?
Would not installing C gussets be a better idea? I have the Lifetime Warranty on my '14 2 Dr. Rubicon. Planning 255/80-17 KM2's, which are 33.5". Off-road every ride.
for sure that is a possibility.
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Old 11-13-2015, 06:53 AM   #15
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My 2013 both sides leaked around 26k
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Old 11-13-2015, 01:42 PM   #16
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The carrier has to be pulled, axles pulled. Swapping the seals is the easy part... Getting to them is the hard part.
So i just need to order a new seal? Any recommendations on which one to go with?
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Old 11-13-2015, 03:01 PM   #17
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So i just need to order a new seal? Any recommendations on which one to go with?
Mopar

And you either need the tool to install the seal or rig something up to press it in
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Old 11-13-2015, 04:27 PM   #18
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Another possibility is bent Axle tubes. Especially if they get repaired and leak again.
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Old 11-13-2015, 11:14 PM   #19
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So, just watched a couple youtube videos on ball joint swaps, and the axle has to come out for that anyway?
Then how are people having warranty replacement on front axle seals, unless ball joints have not been done before? Or perhaps done by a dealer. Will the OEM ball joints be warrantied also? I thought they would be considered a wear part, like tires, ect.
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Old 11-13-2015, 11:26 PM   #20
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Some folks have had balljoints changed under warranty as well. But generally most of us here on the forum want a better balljoint so we just do it ourselves.
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Old 11-14-2015, 12:02 AM   #21
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Ok, catching on now. So, if I have better ball joints installed, and maybe C gussets, how expensive is it to have a shop change axle seals when they leak.
All the same parts come back off.
Does removing the "carrier", mean the Rubi locker and ring and pinion come out, and have to reset clearance on them also?
Or is it something an average person(me) can do in the garage by myself?
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Old 11-14-2015, 06:24 AM   #22
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I'll let you know the cost next week for the axle seal replacement. Mine started leaking in the front last weekend and are getting replaced under warranty. I have 37,000 miles on the jeep. They fall under drivetrain. If it's free it's for me!
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Old 11-14-2015, 08:13 AM   #23
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Ok, catching on now. So, if I have better ball joints installed, and maybe C gussets, how expensive is it to have a shop change axle seals when they leak.
All the same parts come back off.
Does removing the "carrier", mean the Rubi locker and ring and pinion come out, and have to reset clearance on them also?
Or is it something an average person(me) can do in the garage by myself?
I just had mine replaced at the dealer after I changed ball joints and was 370 out the door. It was on a rubicon so I'm not sure if that makes a difference. Seals where cheap labor sucks.
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Old 11-14-2015, 11:12 PM   #24
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What determines a worn ball joint for warranty purposes, is there a spec I can measure to know when it's time, or does it have to produce a repeatable problem?
I could get a dial caliper and base to know when it fails the test.
I would put in good ball joints like Dynatrac or Rare Parts, but then have to keep paying 400 every time the seals leak for the next 8 years(plan to keep it 10, it's been 2).
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Old 11-15-2015, 07:44 AM   #25
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What determines a worn ball joint for warranty purposes, is there a spec I can measure to know when it's time, or does it have to produce a repeatable problem?
I could get a dial caliper and base to know when it fails the test.
I would put in good ball joints like Dynatrac or Rare Parts, but then have to keep paying 400 every time the seals leak for the next 8 years(plan to keep it 10, it's been 2).
No real spec as far as I know. The idea is to jack up the tire three inches off the ground, put a pry bar underneath it, and pry. If there is movement the ball joint is no good. If you can have someone else pry while you watch the actual joints you might be able to tell if it's the upper or lower but you might as replace all 4 anyway.
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Old 11-15-2015, 08:38 AM   #26
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No real spec as far as I know. The idea is to jack up the tire three inches off the ground, put a pry bar underneath it, and pry. If there is movement the ball joint is no good. If you can have someone else pry while you watch the actual joints you might be able to tell if it's the upper or lower but you might as replace all 4 anyway.
I have had some people tell me that there just because there is be some movement does not mean they are bad and a bigger indicator is clunking and I have had others tell me any movement is bad. these were all people in the business lol. I jacked up my buddies brand new jeep and levered the tire and got about the same amount of play as mine with 38000 miles.
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Old 11-15-2015, 08:12 PM   #27
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Both front deals replaced on my 2012 at 30k ...fixed under warranty
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Old 11-16-2015, 04:49 PM   #28
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There not to bad to change took an afternoon with beer breaks. I would use a one piece seal
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Old 11-16-2015, 05:12 PM   #29
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Quote:
Originally Posted by Harleydav91 View Post
Ok, catching on now. So, if I have better ball joints installed, and maybe C gussets, how expensive is it to have a shop change axle seals when they leak.
All the same parts come back off.
Does removing the "carrier", mean the Rubi locker and ring and pinion come out, and have to reset clearance on them also?
Or is it something an average person(me) can do in the garage by myself?
Do you plan on a regear soon? I had them change mine at 34k when they put new gears in. Was hardly any $$ since they were already in there.
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Old 11-18-2015, 09:33 AM   #30
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We had seals leak at 22,000 miles on the Rubicon 2014, NEVER off road.
I'm to the point of knowing these jeep are a huge rip off in price.
We love them and will have more but I'm now buying slightly used ones because I' m tired of getting reemed.
I've had MANY pick ups in the past and they are far better at holding together over my jeeps.

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