Water Pump: Service and Repair

A: REMOVAL





1. Disconnect ground cable from the battery.
2. Lift-up the vehicle.





3. Remove under cover.





4. Drain engine coolant completely.





5. Disconnect connectors from radiator main fan (A) and sub fan (B) motors.





6. Disconnect radiator outlet hose and heater hose from water pump.
7. Lower the vehicle.





8. Remove air intake duct.





9. Disconnect over flow hose.





10. Remove reservoir tank.





11. Remove radiator main fan and sub fan assemblies.





12. Remove V-belts.
13. Remove timing belt.





14. Remove automatic belt tension adjuster.





15. Remove belt idler No. 2.





16. Remove left-hand camshaft sprocket by using ST.
ST 499207100 CAMSHAFT SPROCKET WRENCH





17. Remove left-hand belt cover No. 2.





18. Remove tensioner bracket.
19. Disconnect heater hose from water pump.





20. Remove water pump.

B: INSTALLATION
1. Install water pump onto left-hand cylinder head.

CAUTION:
^ Replace gasket with a new one.





^ When installing water pump, tighten bolts in two stages in alphabetical sequence as shown in figure.

Tightening torque:
First: 12 Nm (1.2 kgf-m, 8.7 ft. lbs.)
Second: 12 Nm (1.2 kgf-m, 8.7 ft. lbs.)





2. Install left-hand belt cover No. 2.
Tightening torque: 5 Nm (0.5 kgf-m, 3.6 ft. lbs.)





3. Install tensioner bracket.
Tightening torque: 25 Nm (2.5 kgf-m, 18.1 ft. lbs.)





4. Install left-hand camshaft sprockets by using ST.
ST 4992707100 CAMSHAFT SPROCKET WRENCH
Tightening torque: 78 Nm (8.0 kgf-m, 57.9 ft. lbs.)





5. Install belt idler No. 2.
Tightening torque: 39 Nm (4.0 kgf-m, 28.9 ft. lbs.)





6. Install automatic belt tension adjuster which tension rod is borded with pin.
7. Install timing belt.





8. Install V-belts.





9. Install radiator main fan and sub fan motor assemblies.





10. Install reservoir tank.





11. Connect over flow hose.





12. Install air intake duct.
13. Lift-up the vehicle.





14. Connect radiator outlet hose and heater hose to water pump.





15. Connect connectors to radiator main fan (A) and sub fan (a) motors.





16. Install under cover.
17. Lower the vehicle.





18. Connect battery ground cable.
19. Fill coolant.