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
  • 47,570 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
  • 30,705 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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