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1999 Pontiac Grand Am Overheating

Tiny
BARB1961
  • MEMBER
  • 1999 PONTIAC GRAND AM
  • 94,000 MILES
Hi,
About a week ago a radiator hose blew. The hose was replaced properly. After several
days the car began to over heat again. The hoses were fine. It's a six cylinder engine. We have replaced the radiator after flushing out the original one. We have also replaced the water pump, and thermostat. The engine continues to overheat. I am at a loss as to what to do next. Is there a sensor i'm not familiar with?
Thank you,
Barb
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Friday, September 20th, 2013 AT 6:12 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
It sounds like you have replaced everything. Also, when it overheats, do you hear the coolant boiling and are you sure it is overheating and not just a bad sensor?
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Friday, September 20th, 2013 AT 6:36 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Once more question. Do you have to add coolant to it on a regular basis?
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Friday, September 20th, 2013 AT 6:37 PM
Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
What size engine is in this? There should be air bleed screws located on your engine. Just need to know the size to further assist. Sounds like its airbound.
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Friday, September 20th, 2013 AT 7:48 PM

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