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Old 03-09-2009, 07:59 PM
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pawoSD pawoSD is offline
Join Date: Oct 2004
Location: Grand Rapids, MI
Posts: 15,438
Originally Posted by silversleeves View Post
Was under the car (1991 300te 4matic) on the weekend to check the front differential fluid level. It appears as though there is only one fill/drain plug, a 14mm screw. Is that correct?

On a 4matic the differential is INSIDE the engine oil pan....its lubed by engine oil. So the fluid is changed every time you do an oil change. As long as the engine oil level is fine, then the diff is fine.

That 14mm bolt you found is the engine oil drain plug.
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