Question about 1993 Acura Integra Hatchback

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Thermostat is not opening but if i put it in boiling water it opens. i replaced the water temperature switch today but it registers in the red zone and the thermostat does not open. even if it opens in boiling water does that it is good or can it still be bad.

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  • super4dodge_ Dec 29, 2008

    I did that. Ok i replaced the thermostat and temp switch i ran it and it opened and i bled the air. Now, it wants to ride in the red zone but if i drive it it goes does alittle but then climbs back up. I bled the system for ever until there were no air bubbles. But, if i run without it it runs way below normal. Could the gauge switch be bad.



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Chances are u have something else going on like an air block in the cooling system, if u changed coolant and didn't follow the factory procedure for refilling this could happen, the other issue is a blown head gasket, which if u have overheated the engine very many times is most likely what u have going on. The way u checked the thermostat is ok, but it is best to use a thermometer and watch where it starts to open, that should be around 190 degree's F.

Posted on Dec 28, 2008


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