Water Pump: Service and Repair

Fig. 6 Water Pump Removal:

REMOVAL OF WATER PUMP
1. drain engine coolant
2. Disconnect radiator hose from water inlet
3. REMOVE TIMING BELT Service and Repair






4. Remove idler pulley bracket and a/c compressor without disconnecting hoses.
(a) Disconnect the idler pulley bolt and adjusting bolt, and remove the drive belt.
(b) Disconnect the A/C compressor connector.
(c) Remove the bolt and the wire clamp of the A/C compressor.
(d)Remove the three bolts and idler pulley bracket.
5. Remove no.2 idler pulley
6. Remove timing belt tension spring
7. Remove water pump and water pump cover assembly
(a) Remove the two nuts holding the water pump to the water by-pass pipe.






(b) Remove the three bolts in the sequence shown.
(c) Pull out the water pump together with the water pump cover.
(d) Remove the gasket and two 0-rings from the water pump and water by-pass pipe.
8. Separate water pump and water pump cover
-Remove the three bolts water pump and gasket from the water pump cover.
9. Remove water inlet and thermostat from water pump cover





INSPECT WATER PUMP
Turn the pulley and check that the water pump bearing moves smoothly and quietly.

INSTALLATION OF WATER PUMP
1. Install thermostat and water inlet to water pump cover
2. Assemble water pump and water pump cover






- Install a new gasket and the water pump to the pun cover with the three bolts.Torque: 95 kg-cm (82 in.lb. 9.3 N.m)
3. Install water pump and water pump cover assembly
(a) Install new 0-ring and gasket to the water pump cover.
(b) Install a new 0-ring to the water by-pass pipe.





(c) Apply soapy water to the 0-ring on the water bypass pipe.
(d) Connect the pump cover to the water by-pass pipe. Do not install the nuts yet.
(e) Install the water pump with the three bolts. Tighten the bolts in the sequence shown.Torque: 95 kg-cm (82 in.lb. 9.3 N.m)
(f) Install the two nuts holding the water pump cover to the water by-pass pipe.Torque: 95 kg-cm (82 in.lb, 9.3 N.m)

5. Install timing belt tension spring
6. Install no.2 idler pulley
7. Install a/c compressor idler pulley
8. Install timing belt Service and Repair
9. Connect radiator hose to water inlet
10. Fill with engine coolant