No compression #4 cyl.


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Posted by David Keelan on October 18, 2003 at 20:40:22:

I discovered no compression on #4 cyl other cyls vary 90-100#. Tried marvel mystery oil in cyl to no avail! Today I rechecked compression before tearing engine down and while I was checking #1 cyl with compression gauge I heard a sound coming out of #4(spark plug was out) like it had compression for a split second and then I noticed some water coming out of #4 Spark plug hole ! Does anyone have any suggestions ? Motor was overhauled a few years ago & is in 79' Cat 30 Thanks


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