System blockage. Water is not circulating to the heater core. Could be a stuck thermostat. I would highly recommend a good system flush and change out the t-stat.
My 2000 grand am has a crack in the reservoir and is leaking coolant everywhere is it ok to drive the car home or will the car blow up?
Overheating
2003 Pontiac Grand Am
-
Maintenance & Repair
My 2000 Pontiac grand am is doing the same thing. It was overheating and only blowing warm air when I drove, at stop lights it would blow cold. Sino checked the coolant and it was low, so I fille...
2000 Pontiac Grand Am
-
Maintenance & Repair
heater only works on my 2002 v6 grand am when its being driven but blows cold air while idling.. what would be the problem
2002 Pontiac Grand Am SE Coupe
-
Maintenance & Repair
overheating on a 05 pontiac grand am with the 3.4l. I just changed the thermastat and it is still overheating and the heat blows cold what are the possible causes?
2005 Pontiac Grand Am SE
-
Maintenance & Repair
My 2003 Pontiac grand am gt idles high when first start and accelerates by itself. Recently it’s been randomly dying in the middle of driving but turning right back on with no hesitation. I’ve loo...
2003 Pontiac Grand Am GT
-
Maintenance & Repair
Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.