Join Date: Aug 2003
Location: Long Island, NY
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Diesel Compression test
The suggestion to get a compression test is a good one. However, unlike on a gas engine, performing a compression test on a diesel engine is not so easy. There are no spark plugs to be removed. Instead, a glow plug or fuel injector must be removed, and you need to thread the test adapter into that space.
If I were the boat owner, I would not allow YOU to perform the test on MY engine. I would allow a certified mechanic, and I would make it clear that YOU were responsible for any damage that resulted from the test. I bet that on many engines, the injectors and / or glow plugs have never been removed. It MAY be difficult to remove them and it's possible that one may be damaged during removal.
I'm not trying to discourage you from the test, but, IMHO, of the engine runs well, doesn't smoke, makes good power, doesn't shake, etc., I would skip the compression test.
Deep Blue C, 2002 C&C 110
Mt. Sinai, NY
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