Question about 2004 GMC Sierra 2500

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2005 GMC Sierra overheating

The 2005 Sierra it's overheating and noticed that fans at not turning on until tempeture passes the normal point, also when I have my a/c on tempeture looks normal and fans looks to kick in fine

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  • Anonymous Feb 18, 2009

    I Have a 2005 HD 2500 6.0 77,000 miles and it over heated with the snow plow on. the shop says I need the heavy duty fan clutch to solve problem but sounds like the thermostat didn't open cuz it worked fine once i let it cool off.any ideas??

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Probably the thermostat.

Posted on Jan 29, 2009

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