2002 Pontiac Grand Am Why is the car still running hot!

Tiny
AGRESHAM
  • MEMBER
  • 2002 PONTIAC GRAND AM
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
I have had themostat changed, cooling senors and the car temps starts to rise almost hot, I turn on the air and it cools off when I turn off the air it starts to rise again, I won't let it get too hot 240 is where I turn on the air, I have had 3 repair shops to look at it they change another part and I get it home and the problem starts again. Please help
Monday, November 3rd, 2008 AT 8:56 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Make sure the cooling fan(s) are working, could also be a failing waterpump, some of these engines used a WP with a plastic impeller, which would get loose on shaft and lose effeciency.

Also check the compression on the cylinders to rule out a headgasket problem.
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Monday, November 3rd, 2008 AT 9:04 AM

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