2000 Pontiac Montana 6 cyl Front Wheel Drive Automatic 170000 miles
At idle the heater blows cold. Go down the road or just raise the rpms and the heater blows warm. Does anyone know what the little pump is for that is in line with the heater hoses and when it should be on?
have the same problem?
Tuesday, October 19th, 2010 AT 8:39 PM