2002 GMC Sierra 2002 gmc sierra overheating

2002 GMC SIERRA
165,000 MILES • V8 • AWD • AUTOMATIC
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AHASSLER
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i've checked the coolant, leaks, radiator, and tried replacing the thermostat. there is something malfunctioning that cannot be seen. any suggestions?
May 29, 2010 at 1:25 PM
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BLUELIGHTNIN6
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is radiator fan(s) coming on? you said you tried to replace tstat, did you test it or get it replaced??
May 29, 2010 at 5:49 PM
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AHASSLER
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thank you for the reply. i have a clutch fan and its good and tight. we had bought a brand new thermostat but i will test it to see if its good. i'll let you know how it goes...if you have any other ideas please let me know. thanks again.
Jun 3, 2010 at 8:16 PM