Toyota Supra 1990 Manual page 307

COOLING SYSTEM - Water Pump
CO-7
INSPECTION OF WATER PUMP
1. INSPECT WATER PUMP BODY AND TIMING BELT CASE
Check the water pump body and timing belt case for cracks
and damaged gasket surfaces.
If necessary. replace the water pump or timing belt case.
2. INSPECT WATER PUMP BEARING
Turn the pulley and check that the water pump bearing
moves smoothly and quietly.
If necessary. replace the water pump.
3. INSPECT FLUID COUPLING
Check that the fluid coupling is not damaged and that no
silicon oil leaks.
If necessary. replace the fluid coupling.
INSTALLATION OF WATER PUMP
(See page CO-G)
1. INSTALL WATER PUMP
C00701
Install the water pump on a new gasket with the eight bolts
~------------------~------~
===-=======::;:
F5534
and two nuts.
Torque:
10 mm bolt
90 kg-em (78 in.-Ib. 8.8 N ·m)
12 mm head bolt and nut
195 kg-em (14 ft-Ib. 20 N·m)
2. INSTALL PS AIR PIPE
3. INSTALL WATER PUMP PULLEY. FLUID COUPLING AND
ALTERNATOR DRIVE BELT
(a) Install the water pump pulley and fluid coupling with
the four nuts.
- ( (b) Place the fan belt on to each pulley.
COOJ49
(c) Stretch the belt tight and tighten the four nuts.
4. INSTALL AIC BELT
5. ADJUST ALTERNATOR DRIVE BELT TENSION
(See page MA-4)
G. FILL WITH COOLANT
7 . START ENGINE AND CHECK FOR LEAKS