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)Favorites list setting
Up to 15 contacts (maximum of 4 numbers per contact) can be registered
in the favorites list.
Registering the contacts in the favorites list
Select “add favorite”.
Select the desired contact to add to the favorites list.
Dimmed contacts are already stored as a favorite.
Check t ...