Remove the drive belt.

Drain the engine coolant.

Remove the drive belt auto-tensioner.

Remove the oil cooler joint pipe (A), then remove the seven bolts securing the water pump. Remove the water pump (B).

Inspect, and clean the O-ring groove and mating surface with the water passage.

Install the water pump with new O-rings (C) in the reverse order of removal.

Clean up any spilled engine coolant.

Install the drive belt auto-tensioner.

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