Fuel Filter: Service and Repair

WARNING:
- Before performing the following operation, release the fuel pressure from the fuel system to reduce the possibility of injury or fire.
- Always work away from sparks and open flames.

CAUTION:
- If the fuel filter is being serviced with the rear of the truck higher than the front, or if the tank is pressurized, fuel leakage or siphoning from the tank fuel lines could occur. To prevent this condition, maintain the vehicle front end at or above the level of the rear of vehicle.
- Relieve tank pressure by loosening the fuel fill cap. Cap should be retightened after pressure is relieved.
- If vehicle is warm, change the fuel filter before the pressure rebuilds.

REMOVAL
1. Shut engine off. De-pressurize fuel system. Use caution to prevent combustion from fuel spillage.
Fuel Pressure Release

2. Raise vehicle on hoist.

View: Inline Fuel Filter:

3. Remove push connect fittings at both ends of fuel filter.
4. Remove filter from bracket by loosening filter retaining clamp enough to allow filter to pass through.

INSTALLATION
1. Install filter in bracket, ensuring proper direction of flow as noted by arrow.

View: Typical Push Connect Fitting with Retainer Clip:

2. Install new retainer clips in each push connect fitting.
3. Install push connect fittings at both ends of filter.
4. Lower vehicle.
5. Start engine and check for leaks.