Question about 1998 Isuzu Rodeo

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Can the thermostate just stick car starting reading hot but had no heat then went back to normal and had heat for a few seconds

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A thermostat is a simple device that can momentarily bind up and give you that sort of problem. However, there are other issues that can do that as well such as marginally low coolant level. To be on the safe side, I'd replace the thermostat and re-fill the system, then monitor the temp closely to make sure there aren't any other issues. Of course, check everything for leaks too.

Posted on Sep 17, 2010


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