1. Disconnect the radiator fan switch (High) connector (A), then remove the radiator fan switch (High) (B).

1. Install the radiator fan switch (High) with a new O-ring (C).

1. Install the lower radiator hose and water bypass hose.

1. Install the expansion tank, and tighten the two bolts securing the expansion tank.

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