To change the fuel filter on the frame rail:
1. Locate the fuel filter. It is a cylindrical object with two fuel lines connected to it.
2. Place a catch pan under the fuel filter.
3. Loosen the fuel line clamps and disconnect the fuel lines from the fuel filter.
4. Remove the bolts that hold the fuel filter in place.
5. Remove the fuel filter from the vehicle.
6. Install a new fuel filter.
7. Tighten the bolts that hold the fuel filter in place.
8. Connect the fuel lines to the fuel filter.
9. Tighten the fuel line clamps.
To change the fuel filter on the engine:
1. Locate the fuel filter. It is a cylindrical object located on the engine, near the fuel injection pump.
2. Place a catch pan under the fuel filter.
3. Loosen the fuel line clamps and disconnect the fuel lines from the fuel filter.
4. Remove the bolts that hold the fuel filter in place.
5. Remove the fuel filter from the vehicle.
6. Install a new fuel filter.
7. Tighten the bolts that hold the fuel filter in place.
8. Connect the fuel lines to the fuel filter.
9. Tighten the fuel line clamps.