E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

1986 300E transmission oil leak

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Old 09-09-2009, 05:20 PM
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1986 300e
1986 300E transmission oil leak

i have a 1986 300E with 149k, everything is mint but there is a subtle transmission leak. What are the best ways to fix this? can it be dangerous just monitoring the leak and giving it oil when needed? im not looking to bring it to a shop either because of the high prices.
Old 09-10-2009, 04:52 AM
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85 euro w124 300d non turbo black on black......coming soon hx35 turbo intercooler
Wash tranny really good and find were leak is. It might be as simple as a pan gasket.
Old 09-10-2009, 03:19 PM
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The most common place that it leaks tranny fluid is the front seal. I have the same deal on my wagon. I gotta top it up every 1-2 months, but it requires the entire transmission to be removed to do a $0.90 seal....I'm just holding out as long as I can.

As said above, pressure wash it and figure out WHERE it is coming from. Its difficult to tell otherwise due to slipstream.
Old 09-10-2009, 03:24 PM
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Audi 100 TQ Sport Exklusiv
Is it common for these transmissions to leak from the front seal?
Old 09-12-2009, 12:21 PM
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Originally Posted by little_e
Is it common for these transmissions to leak from the front seal?
Yes at some point in its life.

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