Quote:
Originally Posted by hemi43
Do a pressure test of the cooling system, and let it sit under pressure overnight.
Also ,if you are losing coolant from a head gasket, check your plugs, or better yet, the top of the pistons. If you have one real clean plug or a clean piston top compared to the others, that will be an indication of a leak.
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The system will hold pressure overnight. I often release it to add water for the morning commute. Holding pressure doesn't jive with a gasket leak.