Notice: If the engine is damaged internally and a new engine assembly is installed in the vehicle, make sure all foreign material is completely flushed out of the cooling system. The oil cooler system should also be flushed out (if equipped). Failure to rid the oil or cooling system of debris can result in damage to the replacement engine.

Important: Remove the thermostat before you flush the cooling system.

Various methods and equipment can be used in order to flush the cooling system. If you use special equipment such as a back flusher, follow the equipment manufacturer's instructions.