Water Pump: Service and Repair

WATER PUMP ASSEMBLY (2GR-FE)

REPLACEMENT
1. DRAIN ENGINE COOLANT
2. REMOVE FRONT WHEEL RH
3. REMOVE ENGINE UNDER COVER RH
4. REMOVE V-BANK COVER SUB-ASSEMBLY
5. REMOVE ENGINE MOVING CONTROL ROD
6. REMOVE ENGINE MOUNTING CONTROL BRACKET
7. REMOVE ENGINE MOUNTING BRACKET FRONT NO.1 LH
8. REMOVE FAN AND GENERATOR V BELT





9. SEPARATE RADIATOR HOSE OUTLET
a. Separate the radiator hose outlet.
10. REMOVE WATER INLET HOUSING





a. Separate the water hose.
b. Remove the 2 bolts, nut and water inlet housing.





c. Remove the water inlet housing gasket No.1 and water outlet pipe O-ring.
11. REMOVE CRANKSHAFT PULLEY
SST 09213-70011 (09213-70020), 09330-00021, 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021)





12. REMOVE WATER PUMP PULLEY
a. Using SST, hold the water pump pulley.
SST 09960-10010 (09962-01000, 09963-00700)
b. Remove the 4 bolts and water pump pulley.
13. REMOVE IDLER PULLEY SUB-ASSEMBLY NO.2





a. Remove the bolt, idler pulley cover plate No.2 and idler pulley sub-assembly No.2.





b. Remove the bolt, idler pulley cover plate No.2 and idler pulley sub-assembly No.2.





c. Remove the bolt and idler pulley.

NOTICE: Be careful when loosening the bolt because it is left-hand threaded.

14. SEPARATE VANE PUMP ASSEMBLY





15. REMOVE WATER PUMP ASSEMBLY
a. Remove the 16 bolts, water pump assembly and water pump gasket.





16. INSTALL WATER PUMP ASSEMBLY
a. Install a new water pump gasket and the water pump assembly with the 16 bolts.
Torque:
21 Nm (214 kgf-cm,15 ft. lbs.) for bolt A
9.1 Nm (93 kgf-cm, 81 inch lbs.) for bolts B and C

NOTICE:
- Be sure to replace the 2 C bolts with new ones or reuse them after applying adhesive 1344.
Adhesive: Part No.08833-00080, THREE BOND 1344 or equivalent
- Make sure that there is no oil on the threads of the A bolts.

17. INSTALL VANE PUMP ASSEMBLY
18. INSTALL IDLER PULLEY SUB-ASSEMBLY NO.2





a. Install the idler pulley with the bolt.

NOTICE: Be careful when tightening the bolt because it is left-hand threaded.

Torque: 43 Nm (438 kgf-cm, 32 ft. lbs.)





b. Install the idler pulley cover plate No.2 and idler pulley sub-assembly No.2 with the bolt.
Torque: 43 Nm (438 kgf-cm, 32 ft. lbs.)





c. Install the idler pulley cover plate No.2 and idler pulley sub-assembly No.2 with the bolt.
Torque: 43 Nm (438 kgf-cm, 32 ft. lbs.)





19. INSTALL WATER PUMP PULLEY
a. Temporarily install the water pump pulley with the 4 bolts.
b. Using SST, hold the water pump pulley.
SST 09960-10010 (09962-01000, 09963-00700)
c. Tighten the 4 bolts.
Torque: 21 Nm (214 kgf-cm, 15 ft. lbs.)
20. INSTALL CRANKSHAFT PULLEY
SST 09213-70011 (09213-70020), 09330-00021, 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021)
21. INSTALL WATER INLET HOUSING





a. Install a new water inlet housing No.1 gasket and water outlet pipe O-ring.





b. Install the water inlet with the 2 bolts and nut.
Torque: 10 Nm (102 kgf-cm, 7 ft. lbs.)

NOTICE: Be careful not to allow the O-ring to get caught between the parts.

c. Install the water hose.





22. INSTALL RADIATOR HOSE OUTLET
a. Install the radiator hose outlet.
23. INSTALL FAN AND GENERATOR V BELT
24. INSTALL ENGINE MOUNTING BRACKET FRONT NO.1 LH
25. INSTALL ENGINE MOUNTING CONTROL BRACKET
26. INSTALL ENGINE MOVING CONTROL ROD
27. INSTALL V-BANK COVER SUB-ASSEMBLY
28. ADD ENGINE COOLANT
29. CHECK FOR ENGINE COOLANT LEAKS
30. INSTALL ENGINE UNDER COVER RH
31. INSTALL FRONT WHEEL RH

INSPECTION





1. INSPECT WATER PUMP ASSEMBLY
a. Visually check the drain hole for coolant leakage.
b. Turn the pulley, and check that the water pump bearing moves smoothly and noiselessly.
If the bearing moves roughly or noisily, replace the water pump.