Tundra Regular Cab SR5 4WD V8-4.7L (2UZ-FE) (2000)
1. INSPECT WATER PUMP
a. Visually check the air hole and water hole for coolant leakage.
If leakage is found, replace the water pump and 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 that the fluid coupling is not damaged and that no silicon oil leaks.
If necessary, replace the fluid coupling.
c. Reinstall the fan to the fluid coupling with the 4 nuts.
Torque: 5.4 Nm (55 kgf-cm, 47 inch lbs.)
3. INSPECT FAN PULLEY BRACKET
Check the turning smoothness of the fan pulley.
If necessary, replace the pulley bracket.
4. INSPECT TIMING BELT COMPONENTS