compression test - Tricks of the Trade


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Auto Repair Home>> Automotive Repair>> Tricks of the Trade

zoggnoff
User

Jul 21, 2009, 2:57 PM

Post #1 of 3 (3822 views)

compression test	Sign In

2003 Mitsubishi Eclipse GT 3.0L-V6

Would a cold compression test be reliable or completely inaccurate?

I set out to do normal operating temperature compression test but it rained half way through removal of upper intake manifold and engine cooled. Considered re-installing everything and trying again but some bolts broke off in manifold which made it impossible.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 21, 2009, 3:24 PM

Post #2 of 3 (3812 views)

Re: compression test	Sign In

If doing the whole enchilada just note the temps - IMO the info is mostly valid but adjust down if known cold,

T

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 21, 2009, 8:56 PM

Post #3 of 3 (3801 views)

Re: compression test	Sign In

That really depends on what your looking for. It will make small differences in the test results but if you are looking for a large problem, it will still be there.

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