Replace Fuel Filter

Replace the fuel filter at specified intervals to prevent contaminants from adversely affecting the diesel fuel flow.

  1. PY22090
    PY22090-UN-08DEC14

    A - Clockwise

    B - Anti-clockwise

    Stop the engine and allow it to cool.


  2. Close the fuel cock of the fuel filter.

  3. Remove the fuel filter using a filter wrench to turn it to the left (A) as shown. When removing the fuel filter, carefully hold it to prevent the fuel from spilling. Wipe up all spilled fuel.

  4. Clean the filter mounting surface and apply a small amount of diesel fuel to the gasket of the new fuel filter.

  5. Install the new fuel filter. Hand-tighten it to the right (B) until it comes in contact with the mounting surface. Use a filter wrench and tighten to 14 - 17 ft-lb (19.6 - 23.5 N·m, 2.0 - 2.4 kgf/m) or one additional turn using the filter wrench.

  6. Open the fuel cock of the fuel filter.

  7. Prime the fuel system.

  8. Check for fuel leaks.

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