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Old 11-24-2000, 06:28 PM
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Dear Listers:

My wife's 91 300TE (128k miles) is leaving a small pool of oil on the garage floor. The dip stick shows a lost of 3/4 pint in the last 2k miles. I had it up on a lift today-oily mostly around the rear of the bell housing. We cleaned up the oil with degreaser and I drove the car around all afternoon and had it back up on the lift and it seems like the oil is coming out of the bottom of the bell housing. We pried the plastic inspection cover of the front of the bell housing and felt oil inside the bellhousing. My (non MBZ) mechanic says it might be leaking from the rear main seal.


1. I am going to fix this but is it something I need to do right away?

2. Is it really the rear main seal or could it be something else?

3. If it is indeed the rear main seal, (I am a more or less shade mechanic) is this something I can do myself?

TIA for any comments.

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Old 11-24-2000, 08:33 PM
Registered User
Join Date: Jan 2000
Location: New Bedford, MA USA
Posts: 1,583
Sounds like the rear main. Unless it's something leaking from above in the back of the engine and tracking down into the bell housing (unlikely). This repair requires removal of the tranny, drive shaft, associated linkages and wiring, also flex plate and crankshaft flange. Not your Sat morning DYI project. Most of the cost is labor..Good luck.. BTW, you can let this go for a while, if yo can tolerate the droppings. It will only get worse..

Jeff Lawrence
1989 300e
2000 Dodge Grand Caravan SE
No matter what you fix, there will always be something else to fix..
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