2003 pontiac grand am overheating...when uou turn on heater it blows cold air..

Asked by Jun 03, 2017 at 09:30 AM about the 2003 Pontiac Grand Am

Question type: Maintenance & Repair

Overheating

2 Answers

13,145

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?

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