Water Pump: Service and Repair

Water Pump

Removal
1. Disconnect battery ground cable.
2. Drain coolant.
3. Radiator hose (on inlet pipe side).
4. Remove timing belt.
5. Remove Idle pulley.
6. Remove water pump assembly.
7. Remove gasket.

Inspection
Make necessary repair and parts replacement if extreme wear or damage is found during inspection. Should any of the following problems occur, the entire water pump assembly must be replaced.
^ Crack in the water pump body
^ EC leakage from the seal unit
^ Play or abnormal noise in the bearing
^ Cracks or corrosion in the impeller

Installation
1. Install gasket, clean the mating surface of gasket before installation.





2. Install water pump assembly and tighten bolts to the specified torque in sequence (shown in image).
Torque: 25 Nm (18 ft. lbs.)

Note: To prevent the oil leakage, apply the LOCTITE 262 or an equivalent, to the arrow marked fixing bolt thread.

3. Idle pulley
^ Install idle pulley and tighten bolt to the specified torque.
Torque: 52 Nm (38 ft. lbs.)
4. Timing belt
^ Install timing belt.
5. Connect radiator inlet hose and replenish engine coolant.
6. Connect battery ground cable.