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  #1  
Old 09-01-2003, 07:53 PM
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1991 300e questions

Hello, I've recently purchased a 91 300e with 185000 miles on it . The car is clean and was well maintained with records to prove it. Having said this, there is no record of and trans or rear fluid change and there is a oil leak somewhere under the front end. I plan on steaming the engine and looking for the leak but is there anything else that I should be taking care of or looking for from a mechanical standpoint and what kind of overall milage can I expect. The only cosmetic problem is the interior wood panel on the shift console which is cracking. Thanl you!

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Old 09-01-2003, 09:40 PM
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The oil leak at frontis probably...

the front upper timing chain cover. Very common leak in this model. As far as the other fluids, just change them for piece of mind.
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Old 09-02-2003, 11:09 AM
Bud
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If the leak is engine oil, check the curbside rear corner the head for an oil leak. Also check the coolant in the resevoir for oil.

The problem could be the head gasket. This is a very common problem with the M103 engines. Check the records to see if the head gasket has been replaced.
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Old 09-02-2003, 01:38 PM
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Thanks, I'll check those areas tonight. I would also like to know how or why there is oil ontop of the air filter cover and how to prevent it from reoccuring. I have a question about the service cd's which are available. Are they of good quality and provide enough info for a DIY for some projects. I realize the value of a good mechanic and would not attempt all repairs.

Last edited by patc; 09-02-2003 at 01:43 PM.
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Old 09-02-2003, 05:05 PM
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When you remove the splash pan, inspect the oil pan. The oil pan gasket will leak after that kind of mileage ash been logged. It will look dirty and oily as well.

Not sure for the M103, but removal of the oil pan requires jacking up the motor a bit to allow the pan to clear the crossmember that gets in the way of de-installation.

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