Water Pump Repair Procedures

Removal

1. 1
   Loosen the drain plug (A) and drain the engine coolant. Remove the radiator cap to drain at the same rate. (Refer to Cooling System - "Coolant")
2. 2
   Remove the drive belt. (Refer to Valve Timing System - "Drive Belt")
3. 3
   Remove the water pump pulley (A).

   Tightening Torque: 9.8–11.8 N·m

   

4. 4
   Remove the water pump (A) and gasket.

   Tightening Torque: 9.8–11.8 N·m

   

Inspection

1. 1
   Inspect each component for cracks, damage, or wear. Replace the water pump assembly if necessary.
2. 2
   Inspect the bearing for damage, abnormal noise, and rough rotation. Replace the coolant pump assembly if necessary.
3. 3
   Check for coolant leakage. If coolant leaks from the hole, the seal is damaged. Replace the water pump assembly and gasket.

Installation

1. 1
   Install a new gasket and the water pump (A).

   Tightening Torque: 9.8–11.8 N·m

   

2. 2
   Install the water pump pulley (A).

   Tightening Torque: 9.8–11.8 N·m

   

3. 3
   Remove the drive belt. (Refer to Valve Timing System - "Drive Belt")
4. 4
   Fill the engine coolant.
5. 5
   Start the engine and check for leaks.
6. 6
   Recheck the engine coolant level.