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  #1  
Old 04-02-2008, 09:02 PM
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leaking transfer case

My 91 E300 4Matic is leaking alot of hydraulic fluid. I drain and change the fluid every 10,000 miles due to a small internal leak. i added 1 quart of MB hydraulic fluid back in december. At the end of February the reservoir was almost empty, I filled it with regular hydraulic fluid. One month later, i filled again, only now the fluid gushes out at highway speeds. I cant see any leaking hoses and the fluid seems to be coming out of the top of the case. has the internal seal totaly failed and the fluid is coming out of the vent or is there a hose on top of the case that I cant see?(or is the transfer case toast?)

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  #2  
Old 04-03-2008, 08:04 AM
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Location: Tucker, Ga USA
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The clutch pack that engages for 4 wheel operation isn't sealing properly.

A good auto trans repair shop should be able to disassemble & repair that transfer case.

Won't be cheap.
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  #3  
Old 04-03-2008, 11:42 AM
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shut down your 4 matic operation by putting in test mode and use ATF instead of hydraulic oil in the system.this will get you thru until the xfer case can be replaced
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Old 04-03-2008, 09:02 PM
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would it be cheaper for me to find a rebuilt or used unit and how much of a job is the changeout for me to do in my garage? Any special tools needed?

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