Water Pump: Testing and Inspection

WARNING: Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure fluid escaping from the radiator.

WATER PUMP:

INSPECTION AFTER REMOVAL
Visually check that there is no significant dirt or rusting on the water pump body and vane.





Check that there is no looseness in the vane shaft, and that it turns smoothly when rotated by hand.

Visually check that there is no fluid leakage from the cooling fan pump part and the cooling fan speed control solenoid part.

If there are any unusualness, replace the water pump assembly.



INSPECTION AFTER INSTALLATION
After installing water pump, check for leaks using radiator cap tester.
Testing and Inspection