Toyota Highlander Service Manual: Ignition

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 ...

Ignition system (2AZ-FE)

...

More about Toyota Highlander:

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 coolan ...