2001 Chevy Blazer Engine running hot

2001 CHEVROLET BLAZER
18,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RBB4MSU
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  • 1 POST
My 2001 Chev. Blazer is running hot when I am driving it, but when I turn the heater on the temp. goes back to normal. I replaced the thermastat and the fluids are OK.
Feb 16, 2008 at 5:33 PM
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DENNYP
  • ✓ASE Certified Mechanic
  • 1,824 POSTS
  • ASE Certified Mechanic
Make sure the inside of the radiator is clean and that the fan clutch is working. The cooling fan should be moving a good amount of air.
Feb 19, 2008 at 9:24 PM
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