Water Pump: Service and Repair

WATER PUMP ASSY
REPLACEMENT
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. DRAIN ENGINE COOLANT
3. REMOVE ENGINE UNDER COVER NO.1
4. REMOVE RADIATOR ASSY
5. REMOVE TIMING BELT





6. REMOVE WATER INLET HOUSING
a. Disconnect the water hose and remove the 2 bolts, inlet housing and O-ring.
7. REMOVE TIMING BELT IDLER SUB-ASSY NO.2
8. REMOVE WATER PUMP ASSY
a. Remove the 5 bolts, water pump and gasket.





9. INSTALL WATER PUMP ASSY
a. Install a new gasket and the water pump with the 5 bolts, 2 stud bolts and nut.
Torque: 21 Nm (215 kgf-cm, 15 ft. lbs.) for bolt 18 Nm (185 kgf-cm, 13 ft. lbs.) for stud bolt

HINT: Use a bolt this is 30 mm (1.18 inch) in length.

NOTICE: Uniformly tighten the bolts, stud bolts and nuts. Tighten them little by little in diagonal pairs. For example, after tightening an upper-right side bolt 30%, tighten a lower left side bolt 30%; or after tightening a left side bolt 30%, tighten a right side bolt 30%.





10. INSTALL WATER INLET HOUSING
a. Install a new O-ring.
b. Apply soapy water to the O-ring.
c. Apply seal packing to the groove of the water inlet housing as shown in the illustration.
Seal packing: Part No. 08826-00100 or equivalent

NOTICE:
^ After applying seal packing, install the part within 5 minutes.
^ Be sure to keep this O-ring away from engine oil. The O-ring must be replaced if it contacts engine oil.





d. Install the water inlet housing with the 2 bolts. Then connect the water hose.
Bolt length: 75 mm (2.95 inch) for bolt A 25 mm (0.98 inch) for bolt B
11. INSTALL TIMING BELT IDLER SUB-ASSY NO.2
12. INSTALL TIMING BELT
13. INSTALL RADIATOR ASSY
14. REFILL ENGINE COOLANT
15. CONNECT BATTERY NEGATIVE TERMINAL

NOTICE: When disconnecting the negative (-) battery terminal, initialize the following systems after the terminal is reconnected.

16. CHECK FOR ENGINE COOLANT LEAKS
17. INSTALL ENGINE UNDER COVER NO.1