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Diesel Compression: False bad compression reading

posted by  1985_740_turbodiesel on  Wed Jul 13 11:52 CST 2005
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last visit: Thu Oct 23 21:44 CST 2014
[RELATED]

I finally got to do a compression check after wrestling with injector #5. I had to use a serpentine belt tool to have enough clearance to remove the injector with a 1 1/16" socket. Anyway, I was SO BUMMED when I got 300-360 psi compression. Then I decided to check th ecam timing to make sure everything was OK. Cam timing was WAY off. This totally voids the compression readings. MOral: Before you condemn your motor, double check your cam timing!! I was just about the pull the head and check the cylinder walls and a quick check saved me a lot of hassle. FYI 266,000 miles






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