1999 Pontiac Grand Am Q&A
1999 Pontiac Grand Am Question: I changed the heater motor
check the windshield molding at the bottom on the pass side make sure there is no cracks and it is tight to the windshield glass. there is an air vent under the molding that lets the water come down into the blower motor and on to the PCM that is located under the motor. - cutie99am
My 96 Pontiac Grand Am runs quietly while driving. Turn the A/C on and a roaring, humming, almost like hearing race cars off in the distance sound occurs. Sound only happens when A/C in on. Cool ai...