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Temp Guage Not Working

Discussion in 'General Chevy & GM Tech Questions' started by BIGFOOT, Dec 31, 2008.

  1. BIGFOOT

    BIGFOOT New Member

    Just changed my thermostat on my 1995 Tahoe 5.7l. Now the temp guage doesn't work, but was before.

    There are 3 wires that are grounded to one of the studs on the thermostat covering. They had to be replaced because the nut was frozen to the stud. I put nice new eye connectors on, even tested them directly to the ground and the guage still won't work (but I do not know if these grounding points are related to the guage).

    So, how do I diagnose why my temp guage isn't working? All of the other guages are working properly.

    Thx.

    BF

    UPDATE: I realizzed that the heater is not getting hot. So I am starting to believe I have an air bubble in the system. What is the best way to bleed the bubble out?
    Last edited: Jan 1, 2009

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