No leaks new radiator , new head gasket , compression test all good but ever 3 months or so coolant is low what gives? Reservoir goes dry i do find it wet around the cap is it suppose to be air tight ?
No leaks new radiator , new head gasket , compression test all good, but ever 3 months or so coolant is low. what gives? Reservoir goes dry. I do find it wet around the cap. Is it suppose to be air tight ?
It should be tight. You can rent a radiator pressure tester (whatever it's called) and use an attachment to test the cap. If it loses any pressure at all, it's bad.