Just changed the termostat in 3

Tiny
ANONYMOUS
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 15,600 MILES
Just changed the termostat in 3.4L and the water temp gauge is all over the place and have intermittant heat. Its cold out there (Ohio), what's up?
Wednesday, December 26th, 2012 AT 8:43 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Maybe air in the system? Maybe the temp gage sending unit has a problem? Do you use a block heater? Do the heater hoses get hot? What is the engine operating temp in degrees F?
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Wednesday, December 26th, 2012 AT 9:58 PM

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