Operation CHARM: Car repair manuals for everyone.

Flushing

There are different methods to flush the cooling system. Back flushing is recommended. Special equipment is available. Follow the equipment manufacturer's instructions for use.

NOTE:
^ Remove the coolant thermostat before flushing the cooling system.
^ Dispose of the used engine coolant properly.
- Store the used engine coolant in a used coolant holding tank, while awaiting approved disposal methods.
- Never pour used engine coolant down the drain.
^ Ethylene Glycol based antifreeze is a toxic chemical.
^ Disposal into a sewer system or contaminating the ground water is both environmentally irresponsible and illegal.