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Home›Repair guides›Water Pump Mounting and Fastener Removal

Cummins/Onan — Water Pump Mounting and Fastener Removal

A Cummins/Onan service procedure — check it applies to your exact model before use.

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Procedure

  1. Remove the nut and lockwasher from the front of the water pump shaft
  2. Remove the three nuts mounting the shaft support to the engine block
  3. Carefully withdraw the water pump assembly from the mounting location

Source: manual:903-0000 Onan 6GO-F 5GO-F Genset Instruction & Parts manual (09-1949).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.