LS 460 V8-4.6L (1UR-FSE) (2007)
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Water Pump: Testing and Inspection
WATER PUMP
ON-VEHICLE INSPECTION
1. INSPECT WATER PUMP
(a)
Visually check the air hole and drain hole for coolant leakage.
If leakage is found, replace the water pump.
(b) Turn the pulley and check that the water pump bearing moves smoothly and quietly.
If necessary, replace the water pump.
