- Coolant level: Check if there is enough coolant in the radiator and reservoir. If the level is low, add more coolant and check for leaks in the cooling system.
- Thermostat: Check if the thermostat is stuck closed, preventing coolant from circulating. If the thermostat is faulty, replace it.
- Radiator: Check if the radiator is clogged with debris or has leaks. If the radiator is clogged, clean it with a garden hose. If there are leaks, repair or replace the radiator.
- Water pump: Check if the water pump is working properly. If the water pump is faulty, replace it.
- Head gasket: Check if the head gasket is damaged, allowing coolant to leak into the cylinders. If the head gasket is damaged, replace it.
Repair the issue
- Coolant level: Add more coolant if the level is low.
- Thermostat: Replace the thermostat if it is stuck closed.
- Radiator: Clean the radiator if it is clogged. Repair or replace the radiator if there are leaks.
- Water pump: Replace the water pump if it is faulty.
- Head gasket: Replace the head gasket if it is damaged.
Perform preventative maintenance
- Check the coolant level regularly and top it off if necessary.
- Replace the coolant every 30,000 miles or 3 years.
- Clean the radiator regularly to remove any dirt or debris.
- Inspect the water pump regularly for signs of wear and tear.
- Have the head gasket checked for leaks every 60,000 miles or 5 years.
