Home › Forum › Ask A Member › Distorted/leaking thermostat covers › Re: Distorted/leaking thermostat covers
Well, I haven’t had too much trouble with this style cover, although it is hard to clean because of the protrusion. Usually the one gasket and some OMC gasket sealer is all that is needed. I suppose if someone over tightens the screws, the ears might get pulled down. You could put a straight edge on the head to be sure that surface isn’t out of whack. Flattening out the head surface is no big deal. Dan raises a good point about the cap though, messing with that surface too much will cause the thermostat seal to get distorted/crushed too much.
One final test might be to loosely bolt the cap to the head (no thermostat or gasket), distorted/warped areas should be pretty obvious.