Water Pump: Service and Repair

WATER PUMP

Turbo model:

REMOVAL
1. Remove the radiator.
2. Remove the V-belts.
3. Remove the crank pulley.
4. Remove the timing belt.
5. Remove the automatic belt tension adjuster (A).
6. Remove the belt idler (B).
7. Remove the belt idler No. 2 (c).





8. Remove the camshaft position sensor.
9. Remove the cam sprocket (LH) using ST.

ST 499977500 CAM SPROCKET WRENCH (Intake):

ST 499207400 CAM SPROCKET WRENCH (Exhaust):

10. Remove the belt cover (LH) No. 2.





11. Remove the tensioner bracket.





12. Disconnect the hose from water pump.
13. Remove the water pump.





INSTALLATION
1. Install the water pump onto cylinder block (LH).

NOTE:
^ Always use new gasket.
^ When installing the water pump, tighten the bolts in two stages in alphabetical sequence as shown in figure.

Tightening torque:
First: 12 Nm (1.2 kgf-m, 8.9 ft. lbs.)
Second: 12 Nm (1.2 kgf-m, 8.9 ft. lbs.)





2. Install the hose to water pump.
3. Install the tensioner bracket.
Tightening torque: 25 Nm (2.5 kgf-m, 18.1 ft. lbs.)





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





5. Install the cam sprocket (LH) using ST.
ST 499977500 CAM SPROCKET WRENCH (Intake)
Tightening torque: Tighten to 30 Nm (3.0 kgf-m, 21.8 ft. lbs.), and then tighten further by 45°.





ST 499207400 CAM SPROCKET WRENCH (Exhaust)
Tightening torque: Tighten to 30 Nm (3.0 kgf-m, 21.8 ft. lbs.), and then tighten further by 45°.





6. Install the camshaft position sensor.
7. Install the belt idler No. 2 (c).
8. Install the belt idler (B).
9. Install the automatic belt tension adjuster (A) which has a tension rod held by a pin.
Tightening torque: 39 Nm (4.0 kgf-m, 28.9 ft. lbs.)





10. Install the timing belt.
11. Install the crank pulley.
12. Install the V-belts.
13. Install the radiator.