TOYOTA PREVIA 91-97 REPAIR MANUAL

ENGINE AND ENGINE OVERHAUL 3-19

Fig. 50 View of the water pump gasket mating area

Equipment Driveshaft

PRECAUTIONS

I See Figures 52 thru 58

1. The flexible coupling is not to be disassembled. Do not re-use a flex-
   ible coupling which has been disassembled.


2. The driveshaft must be installed in a straight line without forcing it.
   The coupling is made out of rubber, so it can easily bend out of shape.
   When performing service related to the driveshaft, observe the following:

• Do not disconnect the rear end of the driveshaft from the engine and
  the leave the shaft resting at an angle for a long period. When leaving the
  driveshaft disconnected for long periods, support it with a sling so that it is
  horizontal, in a straight line with the engine.


• Store the driveshaft in a straight line without bending it.


• When installing the driveshaft, visually check that the flexible cou-
  pling is not twisted or squeezed out of shape. If the coupling is out of
  shape, disconnect it and install it again.


• When installing the equipment driveshaft and drive housing, measure
  the installation angle of the driveshaft in front of and behind the flexible

Fig. 51 Waterpump bolt identification

Do Not Disassemble

Assembly Supply Parts

Fig. 52 The couplings are on each end of the shaft, DO NOT dis-

assemble them

7. Disconnect the water hose from the water pump.


8. Remove the water pump retaining bolts and pump from the timing
   cover.


9. Remove the 0-ring from the water pump.


10. Remove the water pump from the housing by removing the two
    bolts.
    To install:


11. Install the water pump with a new gasket and tighten the bolts to 14
    ft. Ibs. (20 Nm).


12. Install the water pump to the timing cover and install the bolts.
    Tighten the bolts for the water pump as follows:

• Bolt A: 14 ft. Ibs. (20 Nm)


• Bolt B: 21 ft. Ibs. (28 Nm)

13. Connect the water hose to the water pump.


14. Install the oil filter bracket to the engine using a new 0-
    ring.


15. Connect the heater hose and radiator outlet hose.


16. Fill the engine with oil.


17. Fill the engine and radiator with coolant.


18. Start the engine and check for leaks.

CORRECT

WRONG

Fig. 53 Always use a sling to support the shaft if being left unat-

tached for long periods of time