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Coolant Leak

Tiny
SAM803
  • MEMBER
  • PONTIAC GRAND AM
I have a 2000 Grand Am and I am leaking coolant on the right side just in front of the big hose coming from the radiator. I have been told that this is a major repair job. I do not intend to keep the car that long that I will invest a lot of money. What can I do to stop the leak so it will run for a couple more months. When I fill it full of water or coolant, it runs great. After it heats up, the needle will quickly go to the right side to hot. A mechanic told me to pur some stop leak into the overflow tank and that would help. Is that right.
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Wednesday, November 7th, 2007 AT 4:01 PM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
What leaks, the radiator, or the thermostat housing? Thermostat housing is cheap, radiator about 200.00.
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Wednesday, July 29th, 2020 AT 10:27 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
If it's just the thermostat housing, remove the hosing, and make sure the themostat isnt stuck under it, there is a groove the t-stat sits in some are on the block, others are in the housing, when you tighten it, just snug + a little! It's easy to crack these!
Get a new t-stat while youre at it. Hope this answers your PM! And scrape ALL the old gasket and replace with a new one.
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Wednesday, July 29th, 2020 AT 10:27 AM

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