Flushing Engine and Radiator

CAUTION: Radiator internal pressure must not exceed 138 kPa (20 psi). Damage may result.

1. Back-flush the radiator. With the radiator upside down, position a high-pressure water hose in the lower hose location and back-flush.
2. Remove the water hose connection and water thermostat.
3. Back-flush the engine. Position the high-pressure hose into engine through the water thermostat location and back-flush the engine.