Toyota Highlander Service Manual: Inspection
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
1. DRAIN ENGINE COOLANT (See page 16-26 )
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH
4. REMOVE V BELT NO. 1 (See page 14-125 )
5. REMOVE VANE PUMP V BELT (See page 14-125 )
6. ...
Thermostat (3MZ-FE)
REPLACEMENT
HINT:
The installation procedures are the removal procedures in reverse order.
However, only installation procedures
requiring additional information are included.
1. DRAIN ENGINE CO ...
More about Toyota Highlander:
Symptom confirmation and diagnostic trouble code
HINT:
The diagnostic system in the HIGHLANDER has various functions.
The first function is the Diagnostic Trouble Code (DTC) check. A DTC
is a code stored in the ECU
memory whenever a malfunction in the signal circuits to the ECU occurs. In a
DTC check, a previous
malfunction's DTC ca ...
