HOW DO I KNOW IF Y THERMOSTAT IS OUT

  • Tiny
  • Anonymous
  • 2001 Pontiac Grand Am
  • 188,192 miles

How do I know if y thermostat is out. There is water bin pushed out of my holding tank an it over heats when im driviving

Wednesday, December 19th, 2012 AT 5:22 PM

2 Replies

  • Tiny
  • hmac300
  • Expert
  • 43,704 posts

Sounds like a tstat problem, like maybe not working at all especially if it does htis within the first few minutes of start up. Otherwise check for a bd head gasket

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Wednesday, December 19th, 2012 AT 5:33 PM
  • Tiny
  • saturntech9
  • Expert
  • 29,421 posts

So coolant boils over the cap?Also is the upper and lower radiator hoses getting too hot to hold?

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Wednesday, December 19th, 2012 AT 5:34 PM

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