Toyota Highlander Service Manual: Diagnostics

Preparation

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Engine control system

PREPARATION Recomended Tools Equipment ...

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 ...