No Heat

This topic contains 1 reply, has 2 voices, and was last updated by  ricebike 7 years, 10 months ago.

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  • #995


    Recently my 1999 Quest stopped giving heat; the van did not overheat and my temperature stayed low. My assumption was thermostat and I changed it: after I changed the thermostat my problem changed.

    Now I have perfect temperature reading, but I only have heat when I rev the engine. It acts like there is a vacuum leak to a valve, and I did find reference to a coolant valve in the hanes manual however, no where can I find a location for such a valve. Is it possible that it is merely air in the system from when I changed the thermostat?



    u properly bleed the system and made sure no air is trapped?

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