07 Chevy Malibu Max 6 cylinder 4.3 Lt. The temperature gauge inside car works sometimes. I hit a bump it will come on then go out. N now I have cool to warm air blowing out of vents. If I step on gas peddle then warmer air comes out. Is it clogged or heater core bad or what.
Jan 27, 2013 at 4:48 PM