Having problems with your 2003 Pontiac Grand Am ?
Installed new thermostat and sensors now the heater only blows cold air its below freezing in mississippi this week please help!!
Check to see if you have an air lock in your cooling system it may need to be bled
Repair Help & Product Troubleshooting for 2003 Pontiac Grand Am
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.