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Re: Coolant levels irratic - Help!! 700 89

posted by  someone claiming to be David Hunter on  Sun May 20 15:32 CST 2001 [RELATED]

As other poster stated water level in tank goes up and down with temperature. If engine gets too hot it can blow out coolant with cap on or off. Check for leaks as the other poster suggests but you could have nothing more than a sticking thermostat. You did not say if it was replaced with the rad, if not it should have been.

Don't consider replacing anything until the problem is diagnosed. Bad water pump will not cause overheating directly but it can leak and thereby cause overheating. Rad should not be bad if you replaced it. If you overheated at a constant freeway speed of say over 50 then fan would not be the cause.

If no leaking detected and thermostat replaced then have coolant system pressure tested and check for gases in exhaust as suggested. It is possible that because of the original overheat episode(s) that other damage could have occured such as head gasket or worse cracked head (we hope not).

Good Luck





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