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HELP -- Oil on Transfer Case

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Old Nov 20, 2006, 03:36 AM
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HELP -- Oil on Transfer Case / Front Diff.

I have a IX MR with ~9500 miles with just slight mods -- TBE and tune (and increased boost). I have noticed that there is a black oil film on my differential (right behind the oil pan), but no spots on the garage floor. My engine oil seems to be fine, although if this were a super small leak I may not notice as I change my oil every 3 - 4K miles. Any idea where this oil could be coming from and is this a common problem? Thanks in advance.

Last edited by cij911; Nov 20, 2006 at 04:05 AM.
Old Nov 20, 2006, 05:58 AM
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AM bump....Anyone else seeing this?
Old Nov 20, 2006, 10:31 AM
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afternoon bump...
Old Nov 20, 2006, 10:53 AM
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Originally Posted by cij911
I have a IX MR with ~9500 miles with just slight mods -- TBE and tune (and increased boost). I have noticed that there is a black oil film on my differential (right behind the oil pan), but no spots on the garage floor. My engine oil seems to be fine, although if this were a super small leak I may not notice as I change my oil every 3 - 4K miles. Any idea where this oil could be coming from and is this a common problem? Thanks in advance.
Clean off the spot really good with brake cleaner. At the next oil change see if its still there, it may be stray oil marks. Also if it returns there may be a small leak that only comes up as you drive and the movement of the car and wind blows the oil the that location.
Old Nov 20, 2006, 11:36 AM
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I just fixed a similar problem on my 03 VIII. There wasn't enough to drip on the ground but the back of the motor was wet. Ended up replacing my headgasket, as it was leaking from the back side.




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