1. INSPECT WATER PUMP ASSY

(a) Visually check the drain hole for coolant leakage.
(b) Turn the pulley, and check that the water pump bearing moves smoothly and noiselessly.
If the bearing moves roughly or noisily, replace the water pump assy.
(c) Visually check the air holes for coolant leakage.
If leakage is found, replace the water pump assy.
if engine coolant has leaked onto the timing belt, replace the timing belt.
Replacement
Thermostat (3MZ-FE)Cruise control
CRUISE CONTROL MAIN SWITCH
REPLACEMENT
HINT:
Installation is in the reverse order of removal.
1. PRECAUTION (SEE PAGE 60-1 )
2. DISCONNECT BATTERY NEGATIVE TERMINAL (SEE PAGE 60-1 )
3. REMOVE STEERING WHEEL COVER LOWER NO.2
4. REMOVE STEERING WHEEL COVER LOWER NO.3
5. REMOVE HORN BUTTON ASSY ...