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#1
09-09-2007, 09:59 AM
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92 400E Transmission
When I first engage D in my car (particularly if it's cold) there's a loud thunk in the rear end right as I start to accelerate. Even if I'm quite gentle about it. It's been doing it for the 5 years I've owned it without getting any worse and the transmission operates normally otherwise so I'm not too worried about it. This is the only MB I've owned with ASR so I'm assuming it has something to do with that. But if anyone knows what's going on or has dealt with this before, I'd appreciate a light at the end of the tunnel.
Thanks 
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#2
09-10-2007, 09:50 PM
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I have ASR also, but no pronounced thunk. (just slow engagement into reverse)
ATF level ok?
__________________
It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein 09 Jetta TDI 1985 300D
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#3
09-10-2007, 10:43 PM
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message me your vin and I can help you out
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#4
09-11-2007, 09:25 AM
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Have you checked the rear flex disc?
__________________
 1993 190E 2.3 2001 SLK230 1971 LS5 (454) Corvette Convertible
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#5
09-11-2007, 09:34 AM
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I too was going to suggest checking the flex disc. If it gives way at highway speed, your airbag may deploy suddenly, which would be a BAD thing.
__________________
08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280
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#6
09-11-2007, 10:26 AM
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check the differential mount bushings.one is worn prob on left.
__________________
David S Poole European Performance Dallas, TX 4696880422 "Fortune favors the prepared mind" 1987 Mercedes Benz 420SEL 1988 Mercedes Benz 300TE (With new evaporator) 2000 Mercedes Benz C280 http://www.w108.org/gallery/albums/A...1159.thumb.jpg
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#7
09-11-2007, 12:23 PM
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If I could of have your vin please I will email some pdf documents to you
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