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Old 05-16-2002, 11:10 PM
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blackmercedes blackmercedes is offline
Just a guy
Join Date: Dec 2000
Location: St. Albert, Alberta, Canada
Posts: 3,492
Right. I've yet to see any dealer admit that those plastic top rails age poorly and cause problems.

If I owned a 420 car with the M116 engine, I'd have it done. I would NOT replace the top guides without changing the chain. I'd do the chain, the guides, and the tensioner, and then sleep well at night.
John Shellenberg
1998 C230 "Black Betty" 240K
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