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Author Topic: Rear axle seals  (Read 2787 times)

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bizzob223

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Rear axle seals
« on: May 04, 2008, 06:21:19 AM »

I had the PAC in the show a few weeks ago and asked them to look at the rear axle seals as they were leaking. They said the was a TSB about axle seal leakage a nd it was normal and needed to keep the seals lubricated. Anyone ever heard of this TSB or if this is true. I have never heard of an axle seal that was supposed to leak.


Thanks
Bob
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Polariscobra

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Re: Rear axle seals
« Reply #1 on: May 04, 2008, 08:24:14 AM »

Can you define 'leak' a little better?

I could imagine that a slight 'weeping' or wetness around the seal could be acceptable, it would lube the seal and axle surface. Grease running down to the ground, or being whipped around, and leavind stripes of oil underneath would not be considered acceptable, in my opinion.

Today's cars should not leave oil spots on the garage floor.
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bandaide

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Re: Rear axle seals
« Reply #2 on: May 05, 2008, 04:25:04 AM »

I have the same thoughts. If it were meant to leak, then there would be a reservoir of some type that was reasonably accessible in my mind. I'd suggest trying to get them or Chrysler to provide you with a copy of the TSB.
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bizzob223

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Re: Rear axle seals
« Reply #3 on: May 05, 2008, 12:24:58 PM »

Well about all I can say is that the seal face down to the bottom of the axle housing is wet with gear lube. But it isnt to the point where it is dripping. I was gonna change the rear diff, transfer case and over running clutch fluids soon anyways so maybe this is a moot point.

Royal purple fluids any good?


Thanks,
Bob
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NickClew

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Re: Rear axle seals
« Reply #4 on: May 06, 2008, 09:40:03 AM »

Do you mean the drain plug when you say the 'seal face down'? If so this is simple to fix when you do a fluid change. I have a procedue that describes this fluid change if you want a copy.

Nick
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bizzob223

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Re: Rear axle seals
« Reply #5 on: May 07, 2008, 04:44:20 AM »

Hey nick what I meant was on the outside of the axle seal, down by the bottom oof the housing itself. That is where I see the fluid. It just looks wet with oil. Also if you could forward those to me I would really apprecite it.

Bob
« Last Edit: May 07, 2008, 04:48:22 AM by bizzob223 »
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NickClew

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Re: Rear axle seals
« Reply #6 on: May 07, 2008, 09:50:03 AM »

OK, I guess its a bit like a tire that has lost its air, only flat at the bottom eh? PM me an E mail address and I will send the procedure.

Nick
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DSMLVR

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Re: Rear axle seals
« Reply #7 on: September 25, 2008, 07:35:47 AM »

I know this is late but I have come upon a TSB for this.

NUMBER: 03-005-04
GROUP: Differential & Drive
Line
DATE: July 26, 2004

SUBJECT:
Rear Axle Seal Weepage Diagnosis
MODELS:
2004-2005 (CS) Pacifica
NOTE: This bulletin applies to vehicles equipped with all wheel drive.
DISCUSSION:
Due to improper diagnosis, some rear differential seals are being replaced for what
appears to be a seal leak. Grease is used to lubricate the seal during installation to the
rear differential, after a period of time this grease may migrate to the surrounding housing
and appear to look like an oil leak. Seals should not be replaced for this condition
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