PS and don't forget the pivot on top of the valve cover, where the fast idle cable joins into the linkage. It has 2 plastic bushings inside and is held together with a C clip. Mine probably had not been greased since the factory, and I just caught the problem last week. Now it works a lot better. ('71 220D) Ron

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1971 220D, daily driver, new paint, 142K
1973 220D, low compression
1975 300D, back on the road! 166K
1971 220D, salvage, rear hit, engine excellent
1972 250, bad cam, but runs!
1971 230, engine stuck
1971 220D, low compression, rusty
1976 240D, salvage, engine excellent
1966 230SL, water in oil after rebuild