HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
Water Pump: Testing and Inspection
2AZ-FXE COOLING: WATER PUMP: ON-VEHICLE INSPECTION
1. REMOVE V-RIBBED BELT
HINT
See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/Removal.
2. REMOVE WATER PUMP PULLEY
3. INSPECT WATER PUMP ASSEMBLY
(a) Visually check the drain hole and air hole for coolant leakage.
Text in Illustration
(b) If leakage is found, replace the water pump assembly.
(c) Turn the pulley and check that the water pump bearing moves smoothly and does not make any noise.
If necessary, replace the water pump assembly.
4. INSTALL WATER PUMP PULLEY
5. INSTALL V-RIBBED BELT
HINT
See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/Installation.