How to Fix a Water Pump in a Vehicle

Confirm that the water pump is nonoperational by examining the functionality of the bearings by manually jostling the fan blade., Jiggle the pulley that operates the pump in the case of a motorized fan., Inspect the pump casing for splotches, caused...

32 Steps 1 min read Advanced

Step-by-Step Guide

Step 1: Confirm that the water pump is nonoperational by examining the functionality of the bearings by manually jostling the fan blade.

This applies to fan operated cooling systems.

The fan bearing should remain firmly seated if it is not in need of repair.

Step 2: Jiggle the pulley that operates the pump in the case of a motorized fan.

The shaft should remain tight if it is working properly. , A few drops of water should sweat from the vent hole over a long period of time, but a ruined seal will cause excessive overflow. ,,,,,,,,,,,,,,,,,,,,,,,

Step 3: Inspect the pump casing for splotches

Step 4: caused by an inordinate amount of fluid leakage

Step 5: which would indicate a faulty seal.

Step 6: Detach the negative battery line once the faulty water pump has been verified.

Step 7: Remove the radiator cap and empty the radiator by disengaging the valve under the front passenger's side.

Step 8: Remove the fan belt

Step 9: if one is present.

Step 10: Detach the radiator hoses.

Step 11: Unbolt the fan shroud

Step 12: found on the water pump's shaft.

Step 13: Remove the fan shroud.

Step 14: Remove the bolts from the fan and dislodge it.

Step 15: Disengage the bolts from the drive pulley and remove it.

Step 16: Dislodge the bolts from the dysfunctional water pump and remove it.

Step 17: Scrape any dirt and debris away from the area surrounding the gaskets.

Step 18: Apply industrial cleaning solution to the area and clean it thoroughly.

Step 19: Follow the water pump manufacturer's instructions regarding sealant for the gaskets.

Step 20: Apply gasket sealant

Step 21: if directed.

Step 22: Install the replacement gaskets.

Step 23: Position the replacement water pump and secure the bolts.

Step 24: Reinstall the drive pulley.

Step 25: Position the fan and the shroud and reinstall the bolts.

Step 26: Reattach the radiator hoses.

Step 27: Reinstall the fan belt

Step 28: referring to the manufacturer's belt routing diagram.

Step 29: Confirm that the radiator valve is closed and refill the radiator.

Step 30: Seal the radiator cap.

Step 31: Reconnect the negative battery cable.

Step 32: Start the car and verify that there are no irregular noises or leaks.

Detailed Guide