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Cummins N14 – Water Pump Assembly – Rebuild – Disassembly

Remove the pulley with puller, Part No. 3375257.
Remove the impeller with puller, Part No. 3823040.

Remove the retaining ring that holds the bearing assembly and shaft in the body.
Support the pulley side of the body in an arbor press.
Push the shaft from the impeller end to remove the outside oil seal, bearings, and the shaft from the body.
Use a punch and a hammer to remove the inner oil seal and the slinger from the shaft. Discard the inner oil seal
and slinger.

Support the impeller side of the body. Use a punch and a hammer to remove the water seal and seat assembly
from the body.
Discard the seal and seat assembly.

Use bearing disassembly fixture, Part No. ST-1114, to support the outer bearing and bearing spacer. Push the
shaft from the bearing and the spacer. Discard the bearing.

Use the disassembly fixture to support the inner bearing.
Push the shaft from the bearing. Discard the bearing.