Cooling System Flushing

Cooling System Flushing

Material:

NOTE: Dispose of old coolant and flushing water contaminated with antifreeze and cleaning chemicals in accordance with local, state or federal laws.

1. Remove the radiator.

2. CAUTION: Radiator internal pressure must not exceed 138 kPa (20 psi). Damage to the radiator can result.

Backflush the radiator with the radiator in an upside-down position with a high-pressure hose in the lower hose location.

3. NOTE: Thermostat and housing are serviced as an assembly.

Remove the thermostat housing.
4. Position a high-pressure water hose into the engine through the engine return and backflush the engine.