Cummins/Onan — Crankshaft Seal, Front − Replace
Repair & overhaul · Front crankshaft seal
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA
Procedure
- Disconnect and connect wiring harness
- Drain and refill engine fluids
- Remove and install radiator and coolant hoses
- Remove and install fan
- Remove and install belt and belt guards
- Remove and install crankshaft pulley
- Remove and install oil seal
- Visually inspect for oil leaks
- Test run unit
Specs & values
- SRT 01−304
- Standard Repair Time 2.5 h
Full service-parts list: Cummins/Onan HDKA →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.