Water Pump: Service and Repair

REMOVAL
1. REMOVE RH ENGINE UNDER COVER
2. DRAIN ENGINE COOLANT
3. REMOVE DRIVE BELT





4. 1ZZ-FE: REMOVE WATER PUMP
a. Remove the 6 bolts, water pump and O-ring.
b. Clean up the engine coolant from the water chamber room.





5. REMOVE WATER PUMP
a. Using SST, remove the 4 water pump pulley set bolts.
SST 09960-10010 (09962-01000, 09963-00600)
b. Remove the water pump pulley.
c. Remove the 6 bolts, water pump and O-ring.
d. Clean up the engine coolant from the water chamber room.

NOTICE: Do not remove the RH engine mounting bracket and generator when the water pump alone is replaced.

INSPECTION
INSPECT WATER PUMP





a. Visually check the drain hole for coolant leakage. If leakage is found, replace the water pump.
b. Turn the pulley, and check that the water pump bearing moves smoothly and quietly.
If necessary, replace the water pump.

INSTALLATION





1. 1ZZ-FE: INSTALL WATER PUMP
a. Place a new O-ring on the timing chain cover.
b. Install the water pump with the 6 bolts.
Torque:
Bolt A 9.0 Nm (92 kgf-cm, 80 inch lbs.)
Bolt B 11 Nm (113 kgf-cm, 8 ft. lbs.)

HINT: Each bolt length is indicated in the illustration.

A: 30 mm (1.18 inch)
B: 35 mm (1.38 inch)

2. 2ZZ-GE: INSTALL WATER PUMP
a. Place a new O-ring on the timing chain cover.
b. Install the water pump with the 6 bolts.
Torque: 9.0 Nm (92 kgf-cm, 80 inch lbs.)

HINT: Each bolt length is indicated in the illustration.

A: 30 mm (1.18 inch)
B: 35 mm (1.38 inch)

c. Install the water pump pulley.





d. Using SST, tighten the 4 water pump pulley set bolts.
SST 09960-10010 (09962-01000, 09963-00600)
Torque: 15 Nm (153 kgf-cm, 11 ft. lbs.)
3. INSTALL RH ENGINE UNDER COVER
4. INSTALL DRIVE BELT
5. FILL WITH ENGINE COOLANT
6. START ENGINE AND CHECK FOR LEAKS
7. RECHECK ENGINE COOLANT LEVEL