Cooling System Flushing

Cooling System Flushing

Material:

1. WARNING: To avoid personal injury, do not unscrew the coolant pressure relief cap while the engine is operating or hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly.

Once pressure is released, remove the pressure relief cap.

Drain the cooling system.
2. Remove the coolant thermostat.
3. Install the coolant hose connection without the coolant thermostat.

4. NOTE: Refer to the cooling system flusher manufacturer's operating instructions for specific vehicle hook-up.

Use an appropriate cooling system flusher to flush the engine and radiator.

Use Premium Cooling System Flush or equivalent.
5. Install the coolant thermostat.
6. Backflush the heater core if necessary.
7. Fill the cooling system.