Water Pump: Testing and Inspection
Water Pump, Cleaning and Inspection
Clean gasket mating surfaces as necessary.
Replace water pump body assembly if it has any of these defects:
• Cracks or damage on the body.
• Coolant leaks from the shaft seal, evident by wet coolant traces on the pump body.
• Loose or rough turning bearing.
• Impeller rubs either the pump body or the engine block.
• Impeller loose or damaged.
• Sprocket or sprocket flange loose or damaged.