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Cummins N14 – Water Pump Assembly – Rebuild – Inspection

Visually inspect the water pump body for cracks, porosity, or excessive corrosion.
NOTE: If the part being inspected does not meet the specification given or if it is damaged or no alternative is given,
the part must be replaced.

Measure the water pump body bearing bore inside diameter.

Measure the water pump body seal and seat assembly bore inside diameter.

Visually inspect the water pump impeller for cracks or damage.

Measure the water pump impeller bore inside diameter.

Visually inspect the water pump drive pulley for cracks or damage.
Visually inspect the pulley grooves and the oil seal wear sleeve for wear or damage.
Replace the wear sleeve if worn.

Measure the drive pulley bore inside diameter.

Visually inspect the water pump shaft for grooves, nicks, or damage.

Visually inspect the bearing retaining ring for nicks or cracks.
Discard damaged parts.