Mechanics

CHEVROLET IMPALA HEATER PROBLEM

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?
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Guest
December 26, 2012.



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?

JDL
Dec 26, 2012.