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Originally Posted by wolf_walker
The two valves on top of the valve cover are shot, that's your downshift clunk, the injection pump vac valve($170) is probibily shot as well, giveing eratic shifts out of spec. Sucks don't it?  |
Is that what causes the downshift clunk - bad valves on the top of the valve cover? My 300SD also has that downshift clunk, in fact it has always had it since I purchased it. I'd like to get rid of it someday, but for now I have enough things to fix on that car to keep me busy for a while.
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1999 Mercedes-Benz S600, 103K miles - garage queen
1988 Mercedes-Benz 560SEL, 89K miles - daily driver
2007 Hyundai Sonata Limited, 31K - daily driver
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