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1997 Pontiac Grand Am car overheating and leaking antifreez

Tiny
LITTLEWHEELER11
  • MEMBER
  • 1997 PONTIAC GRAND AM
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 223,111 MILES
I just got repairs on my car and I thought they were suppose to fix the small antifreeze leak. They also replaced the thermostat.

I added a product to stop the antifreeze leak, but my car is still overheating. It seems like the overheating increases when I turn the defrost on. Is there something else I can do.

Thanks.
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Thursday, February 11th, 2010 AT 7:39 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Check compression on all cylinders to rule out a headgasket.

Next perform a cooling system pressure test, which will isolate leak.

The problem with the cooling system additives is that they can sometimes cause a blockage in cooling system.

Waterpump is another possibility.
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Wednesday, July 29th, 2020 AT 10:15 AM

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