Water Pump Replacement

1. Remove the drive belt auto-tensioner.

1. Drain the engine coolant.

1. K20Z2 engine: Remove the six bolts securing the water pump, then remove the water pump (A).

1. K24A3 engine: Remove the oil cooler joint pipe (A), then remove the six bolts securing the water pump. Remove the water pump (B).

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

1. Install the water pump with a new O-ring in the reverse order of removal.

1. Clean up any spilled engine coolant.

1. Install the drive belt auto-tensioner.

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