T100 SR5 Extra Cab Pickup 2WD V6-3.4L (5VZ-FE) (1997)
Water Pump: Testing and Inspection
1. Inspect water pump.
(a)
Visually check the drain hole for coolant leakage.
If leakage is found, replace the water pump.
If engine coolant has leaked onto the timing belt, replace the timing belt.
(b) Turn the pulley, and check that the water pump bearing moves smoothly and quietly.
If necessary, replace the water pump.
2. Inspect fluid coupling.
(a)
Remove the 4 nuts and fan from the fluid coupling.
(b) Check the fluid coupling for damage and silicon oil leakage.
If necessary, replace the fluid coupling.
3. Inspect fan pulley bracket.
(a)
Check the turning smoothness of the fan pulley.
If necessary, replace the fan pulley bracket.
(b) Install the fan and fluid coupling with the 4 nuts.
Torque: 5.4 Nm (48 inch lbs.)