heater blows warm then goes cold the temp gauge will keep rising then falling when this happens what could be the problem
Dec 5, 2012 at 4:31 PM
1996 Gmc Sierra Heater Blows Warm Cold Temp Gauge Will Keep Rising Falling This
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sounds like you had overheating issues and you may have blown a head gasket
Roy
Roy
Dec 5, 2012 at 7:37 PM
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