engine tapping on 82 380sl - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 08-17-2009, 07:24 AM Thread Starter
BenzWorld Member
Date registered: May 2008
Vehicle: 1982 380sl
Location: Douglasville, GA
Posts: 55
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engine tapping on 82 380sl

When I crank my 1982 380SL, there is a tapping sound more so than a knocking that is in cadence with the rpms. It is there at all times whether engine is hot or cold. My mechanic removed the passenger side valve cover, because it sounds as though it is coming from that side, and all looked well. I even discovered that the previous owner had replaced the chain with a double row. I checked threads and came up with 6 possible causes, wanted to ask specifically about my car though in case someone has experienced the same problem. The oil level is fine as I just changed it a couple of weeks ago. My trusted indy is ready to go into the exploratory stage which could rack up a lot of hours and still turn up nothing. Besides, I'm wanting to get it back on the road. All input is appreciated as always.
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