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Old 09-06-2005, 09:41 PM
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1984 300sd ...turbo drain gasket leak?

i have a 1984 300sd ..i have just steam cleaned the engine compartment and transmission spotless clean to hunt for leaks and found one....it is a metal pipe which goes down into the top of the oil pan....is this the turbo drain?....it is leaking around rubber gromett...bubbling when the car is running.....is this a dealer part or can i get a rebuild kit ? thanks guys
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Old 09-06-2005, 10:03 PM
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There are two pipes going down into the oil pan in this area, it should be clear which is which and which is causing the leak. The large one (I believe the one you're talking about) is the turbo oil drain pipe, which leads into the lower oil pan via a rubber gasket and is attached to the turbo via a flare of the turbo drain pipe.

This turbo drain design was one of the few engineering faults of Mercedes in these old diesels (in my opinion), and is prone to leakage.

Repair kits are available for the turbo drain seals from www.performanceproducts4benz.com for $7.60, part #18-038 (just ordered it).
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Old 09-06-2005, 11:44 PM
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Also, to save you a lot of time and frustration. Do a search for turbo oil drain. Someone has already talked about a removal and repair procedure that worked well for them.
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84 300SD 350K+ miles ( Blue Belle )
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Old 09-07-2005, 08:35 AM
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This will get your search started:

W126 OM617 1985 300SD turbo drain tube gasket & seals

Danny
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Old 09-07-2005, 09:55 AM
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guys thanks for the help....i have ordered the parts...seems like i can;t get one leak fixed then another starts up....just had the ac system replaced along with new timing chain....and odo repair...brakes redone..new calipers..new hoses and lines...filters...all new fluids...anything else or should i go to the bank and take out a loan?....
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Old 09-07-2005, 12:59 PM
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How long have you had this car?

I know mine was the same way the first year I owned it. Especially since it was a daily driver at the time. Once the more critical items were taken care of it was easier to relax and put things on a to-do list.
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84 300SD 350K+ miles ( Blue Belle )
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Old 09-09-2005, 11:57 AM
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had the car for about 8 months now? ......
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