Fuel Filter Replacement Primary

1. Open the air bleeder (2) in the fuel head (3).

Note: The air bleeder must be open in order for fuel to drain from the element case.

2. Use the drain plug (8) to drain the fuel from the fuel filter element case (6).
3. Disconnect the water warning switch harness connector.
4. Use the 5-8840-0253-0 fuel filter wrench on the bottom of the element case nut feature (a) to remove the element case (6).
5. Remove the fuel filter element (5) and O-ring (4) from the fuel filter head. Discard the O-ring.
6. Confirm that the float at the bottom of the element case moves up and down smoothly.
7. Clean and inspect the fuel filter head and element case of deposits and foreign material.

1. Install the NEW O-ring to the fuel filter head groove (7).
2. Apply a thin layer of fuel to lubricate the fuel filter element gasket (4) and install the fuel filter element (3) into the fuel filter head. Use a clockwise rotation to seat the element in the fuel filter body.
3. Apply a thin layer of fuel to the inner circumference of the element case and fuel filter head O-ring.

Caution: Refer to Fastener Caution in the Preface section.

4. Use the 5-8840-0253-0 fuel filter wrench on the bottom of the element case nut feature to install the element case.

Tighten
Tighten the case to 33 N·m (25 lb ft).

5. Tighten the drain plug on the element case.

Tighten
Tighten the drain plug to 4 N·m (35 lb in).

6. Bleed the fuel system. Refer to Fuel System Bleeding.
7. Start the engine and check for fuel leaks and no looseness in each fuel filter component.