Distributor cap screw problem - advice please - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 05-10-2006, 07:01 AM Thread Starter
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Date registered: Apr 2006
Vehicle: 1990 560 SEL with Euro engine, 1998 SL500 Sport
Location: Birmingham, MI
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Distributor cap screw problem - advice please


I am new to this group and think it's terrific. I recently picked up a beautiful 1990 560 SEL, 128k. It has a bit of a rough idle so I am attempting to give it a tune-up to see if I can eliminate it. I tried to put on a new distributor cap yesterday and stripped the screw head (phillips) on the original cap. Two of the three screws loosed fine, but the third was really tight and corroded, and easily stripped the head!. I was thinking of using a large drill bit to drill-out the screw head and once the cap is off, remove the remaining threaded shaft from the distributor assembly with a Channel-Lock. What should be an easy task turned sour and I don't want to make it worse! Am I on the right track and has anyone had a similar situation?

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post #2 of 2 (permalink) Old 05-10-2006, 07:27 AM
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Date registered: Apr 2006
Vehicle: 1985 500SEC
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Use a small drill bit for a pilot hole and buy an easy out, which is a counter clockwise threaded bit to remove the screw. Good luck, Teutone (aka Horst K) PS on the W 126 forum check the DIY thread on top of the page or use the 'search this forum' function on the top right. There is also the info and link for the 2 CD rom service manual directly from MBUSA for only $ 20.

Last edited by teutone.; 05-10-2006 at 07:32 AM.
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