Diesel Data: Automotive Repair

Water Pump: Testing and Inspection

WATER PUMP ASSY (1NZ-FXE)
INSPECTION





1. INSPECT WATER PUMP ASSY
a. Visually check the drain hole for coolant leaks.
If there are any leaks, replace the water pump assembly.
b. Turn the pulley, then check that the water pump bearing moves smoothly without making a noise.
If not, replace the water pump assembly.