Water Pump: Testing and Inspection

1NR-FE COOLING: WATER PUMP: ON-VEHICLE INSPECTION

1. REMOVE FAN AND GENERATOR V BELT

Removal

2. INSPECT ENGINE WATER PUMP ASSEMBLY

(a) Turn the pulley and check that the water pump bearing moves smoothly and quietly.





If necessary, replace the water pump assembly.

(b) Make sure that there are no drops of coolant on the water pump housing.

If necessary, replace the engine water pump assembly.

3. INSTALL FAN AND GENERATOR V BELT

Installation