Engine Cooling System
WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Ensure engine coolant level is full.
- Check the engine thermostat for proper operation and for correct heat range. Go to TEMPERATURE VS. RESISTANCE table.