Why thermostat won't open

Tiny
ANONYMOUS
  • MEMBER
  • 1992 NISSAN TRUCK
  • 300,000 MILES
Why thermostat won't open. Without thermostat temperature is too low with thermostat temperature is too high.
Thursday, November 1st, 2012 AT 6:48 AM

1 Reply

Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello - you didn't specify your vehicle model and eng size in liter. Based off what you are saying you have tried replacing your thermostat. There may be air trapped and not allowing the coolant to reach the thermostat thus it isn't opening.
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Thursday, November 1st, 2012 AT 6:57 AM

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