Inspection Of Water Pump Components - Toyota 3b Repair Manual

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COOLING SYSTEM
-
Water
Pum
DRAIN ENGINE COOLANT
(See page CO-S)
REMOVE DRIVE BELT
REMOVE FAN AND WATER PUMP PULLEY
[w,/o
Fluid Coupling]
Remove
the four bolts
holding
the fan to the pulley
seat,
and remove the fan, fan spacer and pump pulley.
Iw/
Fluld Couplingl
Remove
the four nuts
holding the fluid
coupling to
the
pulley seat, and remove the fan and fluid
coupling
as-
sembly and the pump pulley.
REMOVE WATER PUMP
(a)
Remove
the five
bolts.
(b)
Disconnect the water by-pass hose, and remove the
water pump and
gasket.
INSPECTION OF WATER PUMP
COMPONENTS
1.
INSPECT WATER PUMP
Turn the pulley seat and check
that the water
pump
bearing moves smoothly and quietly.
lf necessary, replace the water pump.
2.
INSPECT FLUID COUPLING
Check
that the fluid coupling for
damage and silicon oil
leakage.
lf
necessary, replace the fluid
coupling.
1.
2.
3.
4.
co@66