Water Pump: Service and Repair

Coolant Pump, Removing and Installing

Notes:
- Always replace seals and gaskets.
- Cover the toothed belt with a cloth to protect it from coolant before removing the coolant pump.

Removing

- Remove front bumper. Refer to: "Body and Frame : Bumper : Service and Repair" Service and Repair

- Move lock carrier into service position. Refer to: "Body and Frame : Radiator Support : Service and Repair : Lock Carrier, Service Position" [1][2]Procedures

- Remove ribbed belt. Refer to: "Drive Belts, Mounts, Brackets and Accessories : Drive Belt : Service and Repair" Service and Repair

- Remove toothed belt. Refer to: "Timing Components : Timing Belts : Service and Repair" Service and Repair

- Drain coolant. Refer to: "Engine, Cooling and Exhaust : Cooling : Service and Repair" Service and Repair





- Remove the following components before removing coolant pump:
1 - Toothed belt tensioner roller
Tightening torque: 20 Nm (15 ft. lbs.)
2 - Idler roller
Tightening torque: 45 Nm (33 ft. lbs.)





- Remove coolant pump mounting bolts -1- and remove coolant pump -2-.

Installing
Installation is the reverse of removal, noting the following:
- Remove any remaining sealant from sealing surfaces of coolant pump and cylinder block.
- Clean sealing surfaces so they are completely free of any oil or grease.





- Install new gasket on water pump flange.
- Install coolant pump -2- into cylinder block and tighten all 9 mounting bolts (arrow-2-) to 10 Nm (7 ft. lbs.).
- Install rear toothed belt guard on water pump housing (arrow-1-).

Tightening torque: 10 Nm (7 ft. lbs.).
- Install and tension toothed belt, Refer to Timing Belt, Service and Repair
- Install toothed belt guard.
- Install ribbed belt, Refer to Drive Belt, Service and Repair
- Fill cooling system with coolant.