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Engine coolant leaks?

Tiny
MARIENA
  • MEMBER
  • 1999 PONTIAC GRAND AM
  • 4 CYL
  • 2WD
  • AUTOMATIC
My car has a coolant leak. It is leaking from this little metal tube that goes into all that and we have tried different o-rings and it is still leaking from that same spot. Shooting out of the tube at the top of it at the o-ring area. Do you have any idea where or what the problem is? It is steaming and at the overheating stage almost. Mariena
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Tuesday, December 28th, 2010 AT 3:14 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It appears that you have leak from the thermostat housing. It is a common leaking point.
To fix that leak you will have to replace that housing.
Be sure to work on the cooling system when the engine is cool. Always wear protective gear likes gloves and safety glasses.

https://www.2carpros.com/articles/coolant-leak-symptoms
https://www.2carpros.com/articles/car-is-leaking-coolant
https://youtu.be/W8kra65m15c

I have attached the diagrams for your reference.

Please let me know of any questions.

Thank you.
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Wednesday, August 4th, 2021 AT 12:01 PM

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