Question about 2000 Pontiac Grand Prix
When turning on the heater it only works on the 5 setting and when it works i makes a loud noise that shakes the dashboard what should we do. also AC does not work could it be the switch resistior or motor or all 3 really stumped please help
it sounds to me that you have two problems the
loud noise is the heater motor bushings is worn out causing the loud noise and vibration
also you will have to replace the resistor
once the motor is replace and the resistor replace all should be ok
Posted on Mar 09, 2009
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Posted on Jan 02, 2017
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