Question about 2002 Pontiac Aztek

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I want to know where the thermostat is located on a pontiac aztec

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Well, it's not easy to get to. Air ducting is in the way (between throttle body & mass air sensor) and needs to be removed. You kinda have to work your way to it.
Good Luck!

i want to know where - 6167083.jpg

Posted on Nov 27, 2008

  • Percy Day
    Percy Day Jan 26, 2011

    I have been having the same exact problem. Matter of fact, if you searched "2002 Pontiac Aztek overheating" on this site, you will find a great number of people who have also been having this problem. Mine started suddenly, about two weeks ago. A friend had the same problem a few years back, and believes it is the thermostat (hearing the same "ticking" noise).
    I'm finding that if I can accelerate to 60-65, and stay there, I don't overheat until I get off the freeway. :(
    I researched a number of reviews, and there are a few possible items that may be the cause:
    - Heater Control Valve
    - Water Pump

    I'll follow up after I get the thermostat replaced on Thursday and let you know if it really fixes my problem.



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