Toyota Highlander Service Manual: Inspection
1. INSPECT WATER PUMP ASSY
(a) Visually check for drain hole 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.
Water pump ASSY (2AZ-FE)
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-6 )
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH
4. REMOVE ENGINE MOVING CONTROL ROD W/BRACKET (See page 14-24 )
5. REMOVE ENGINE ...
Thermostat (2AZ-FE)
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-6 )
2. REMOVE FAN AND GENERATOR V BELT (See page 14-5 )
3. REMOVE GENERATOR ASSY (See page 19-16 )
4. DISCONNECT RADIATOR HOSE INLET
5. REMOVE WAT ...
More about Toyota Highlander:
Overhaul
1. REMOVE OIL PUMP RELIEF VALVE
(a) Remove the plug, spring and relief valve.
2. INSPECT OIL PUMP RELIEF VALVE
(a) Apply a light coat of engine oil to the oil pump relief valve
(b) Check that the valve falls smoothly into the valve hole by
its own weight.
If it does not, replace the relief ...
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