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Home›Repair guides›Fuel Filter Replacement

Onan — Fuel Filter Replacement

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

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Before you start

  • Fuel system must be de-pressurized before service

Procedure

  1. Turn off the fuel valve.
  2. Locate and remove the old fuel filter.
  3. Clean the fuel filter mounting area.
  4. Install new fuel filter, ensuring proper orientation.
  5. Check for leaks after turning fuel valve back on.

Tools required

  • Wrench

Specs & torque values

  • Fuel filter (OEM or equivalent)

Source: manual:HDKBA, HDKBB, HDKBC Service Manual.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.