LS 600h V8-5.0L (2UR-FSE) Hybrid (2008)
Water Pump: Testing and Inspection
2UR-FSE COOLING: WATER PUMP: ON-VEHICLE INSPECTION
ON-VEHICLE INSPECTION
1. INSPECT WATER PUMP
(a) Remove the V-ribbed belt See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/Removal.
(b) Turn the pulley and check that the water pump bearing moves smoothly and quietly.
If necessary, replace the water pump.
(c) Visually check the air hole and drain hole for coolant leakage.
If leakage is found, replace the water pump.
(d) Install the V-ribbed belt See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/Installation.