2004 PONTIAC GRAND PRIX TEMP/THERMASTAT

  • Tiny
  • doe773
  • 2004 Pontiac Grand Prix

Engine Cooling problem
2004 Pontiac Grand Prix 6 cyl Four Wheel Drive Automatic 150000 miles

my issue with my grand prix is the temp is rising into the red, especially when my a/c is on and im driving on the street. I thought it was my thermastat I changed that two days ago and today it went into the red and when I cut the a/c off and the heat on it goes down. Please help I dont understand and I dont wanna damage anything by driving. By the way it doesnt do it everyday just on hotter days.

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Friday, June 18th, 2010 AT 10:17 PM

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  • Tiny
  • blackop555
  • Expert
  • 10,563 posts

Is the cooling fan shroud in good shape and are both cooling fans coming on?

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Sunday, June 20th, 2010 AT 10:47 PM

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