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88 560 SL
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After getting ready to start her for the first time in maybe 4-5 years. I put a little bit of gas in her. I looked under the car before adding more and saw she was leaking by the fuel pumps. Looks like the rear pump is the issue. What size copper washers will I need to replace. I did reuse these when I had everything apart. Thank you.
 

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1988 560SL
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123 Posts
Anneal the ones you have and they'll likely be fine. Use your torch to heat to cherry red (holding them with pliers or a coat hanger - insulating your hands of course) and drop in room temp water. Air cooling is fine, too, but takes longer. This will leave the copper soft enough to seal properly again. What happens is they work harden when used.
 
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