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post #1 of 13 Old 03-24-2006, 06:53 PM Thread Starter
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Exclamation Rear Differential leak!

I had my 12K oil change today. Before I handed the service manager the keys, I told him there is a small spot of oiil on the ground under the differential. He had the service tech check it out - the passenger side output shaft has a small leak. As of right now, my leak is not bad enough to cause concern, but they recomended I have it fixed at the next oil change.

The service manage mentioned in the last month they have had 5 mangums, 8 300's and 3 chargers with the EXACT same problem (same side and everthing). I would recomend everyone have theirs checked just to be safe.
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post #2 of 13 Old 03-24-2006, 08:02 PM
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Re: Rear Differential leak!

Thanks, mine goes in for 6K service next week and I will have them check it.

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post #3 of 13 Old 03-24-2006, 09:22 PM
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Re: Rear Differential leak!

I had the same problem a few weeks ago. I brought it in to the dealership and they said the rear was over filled with fluid and it caused the gasket to leak on the bottom of the differential. I wasn't buying this but as long as it was fixed I didn't care what they said caused it. I've never heard of that happening before on any car. But they changed the fluid and gasket, I've checked it a few times since it's been fixed and so far everything has been fine.

Last edited by #430 Daytona; 03-24-2006 at 09:25 PM.
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post #4 of 13 Old 03-25-2006, 12:42 AM
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Re: Rear Differential leak!

SAME THING HAPPENED TO ME...they fixed it for free...

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post #5 of 13 Old 03-25-2006, 07:05 AM
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Re: Rear Differential leak!

Looked at mine when it was in for the first oil change about 2 weeks ago, and it was not leaking. Knock wood...

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post #6 of 13 Old 03-25-2006, 09:31 AM
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Re: Rear Differential leak!

I had a bad dream about this last night.. Thanks alot.
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post #7 of 13 Old 04-06-2006, 09:37 AM
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Re: Rear Differential leak!

I was changin mufflers yesterday and I noticed the same thing taking to dealership today.

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post #8 of 13 Old 04-09-2006, 11:44 AM
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Re: Rear Differential leak!

5200 Miles, and I get a spot on the garage floor. It's a very lightly colored, thick oil leaking from the differential. Did the dealer offer any explanation, other then the diff being overfilled? Build date 8/05.
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post #9 of 13 Old 04-09-2006, 12:09 PM
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Re: Rear Differential leak!

Mine dripped a few times after I got back from a long trip. I had the dealership check it. No leaks. At this point I assume it's from a slight overfill at the factory. Excess comes out the top vent.

Since I have an 8/80 powertrain warranty (all internally lubricated parts) this should be covered for some time to come. My 3/36 is still in place for now anyway.

Others have reported pinion leaks as well.

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post #10 of 13 Old 04-15-2006, 11:05 PM
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Re: Rear Differential leak!

Check out one of my posts in here regarding this issue. May be on one of the last pages of problems section
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