Water Pump: Service and Repair

COOLANT PUMP
Removal Procedure
1. Drain the engine cooling system to a level below the thermostat housing.
2. Remove the rear timing belt cover. Timing Belt





3. Remove the coolant pump mounting bolts.
4. Remove the coolant pump from the cylinder block.
5. Remove the ring seal from coolant pump.

Inspection and Cleaning Procedure





1. Inspect the coolant pump body for cracks and leaks.
2. Inspect the coolant pump bearing for play or abnormal noise.
3. Inspect the coolant pump pulley for excessive wear. If the coolant pump is defective, replace the coolant pump as a unit.
4. Clean the mating surfaces of the coolant pump and cylinder block.

Installation Procedure





1. Install a new ring seal to the coolant pump.
2. Coat the sealing surface of the ring seal with Lubriplate (R).
3. Install the coolant pump to the engine block.
4. Secure the coolant pump to the engine block with the mounting bolts.
- Tighten the coolant pump mounting bolts to 10 Nm (89 inch lbs.).
5. Install the rear timing belt cover.
6. Refill the engine cooling system.