Drain the engine coolant.

Remove the air cleaner housing assembly.

Remove the heater hose (A) from the clamp.

Remove the heater hose (B) and water bypass hose (C).

Remove the heater outlet (A).

Install the heater outlet with a new gasket (B).

Install the other parts in the reverse order of removal.

Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open.