Maintenance - Changing the Engine-Mounted and Diesel Fuel Conditioner Module Fuel Filters - 6.7L Diesel
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Changing the Engine-Mounted and Diesel Fuel Conditioner Module Fuel Filters - 6.7L Diesel
WARNING:
Do not dispose of fuel in the household refuse or the public sewage system. Use an authorized waste disposal facility. |
Your vehicle has two fuel filters. The first filter mounts on top of the engine on the left-hand side. The second filter is inside the diesel fuel conditioner module. The module is attached to the fuel tank in different locations depending on the configuration of your truck. See table below for configurations.
Note:
The module is at the front of the fuel tank or at the front of the aft-axle fuel tank on some models.
Regular fuel filter changes are an important part of engine maintenance; failing to keep with the scheduled maintenance could lead to engine performance issues and fuel injection system damage. See
Scheduled Maintenance.
Use only recommended service parts conforming to specifications. See
Motorcraft Parts - 6.2L.
Note:
Using fuel that has high levels of impurities may require more frequent filter replacements than the service interval specifies.
Diesel Fuel Conditioner Module Filter
Filter Location
Use the tables below to find the location of your filter.
Pick-up Truck
| Cab Type | Box Length | Filter Location |
|---|---|---|
| Regular. | 8 ft (2.4 m) | Left side of fuel tank. |
| SuperCab. | 6.75 ft (2.057 m) | |
| 8 ft (2.4 m) | In front of fuel tank. | |
| Super Crew Cab. | 6.75 ft (2.057 m) | |
| 8 ft (2.4 m) | Left side of fuel tank. |
Chassis Cab
| Cab Type | Fuel Tank Type | Filter Location |
|---|---|---|
| Chassis Cab. | Single midship fuel tank | Right side of fuel tank. |
| Chassis Cab. | Aft axle/midship fuel tanks | Right side of midship fuel tank. |
| Chassis Cab. | Single aft axle fuel tank | Front of fuel tank. |
Removal
- For 2017 models, disconnect the fuel line quick connect coupling from the in tank fuel pump. For 2018 models and later, skip this step but insure that the fuel filler cap is closed before draining the filter. Failure to close the fill cap results in the siphoning of the entire fuel tank contents when you open the drain screw.
- Locate your filter.
- Drain the diesel fuel conditioner module.Turn the drain plug counterclockwise until it stops.Do not use any tools to loosen the drain plug.Drain the filter, approximately 0.53 gal (2 L), into an appropriate container.Do not re-use the fuel drained from the module.
- Disconnect the electrical connector.
- Fully loosen the bolts securing the lower portion of the diesel fuel conditioner module housing.
Note:
Do not fully remove the bolts from the lower portion of the diesel fuel conditioner module housing.
- Remove the lower portion of the diesel fuel conditioner module housing.
- Slide the filter element toward the drain plug to disengage the securing clips.
Installation
- Slide the filter element into the housing and fully engage the securing clips.
- Install the lower portion of the housing. Tighten the bolts until you feel a strong resistance. Maximum torque 7 lb.ft (9 Nm).
- Connect the electrical connector.
- Tighten the drain plug, turn it clockwise until it stops and you feel a strong resistance. Do not use any tools to tighten the drain plug.
Engine-mounted Fuel Filter
Although the fuel system is not fully pressurized when the vehicle is off, some residual pressure may remain in the fuel system since it can take some time for the pressure to completely bleed off. Therefore, we recommend you place an absorbent cloth below the filter connectors to absorb any fuel that may drain.
The engine-mounted fuel filter is a plastic disposable cartridge.
Removal
- Disconnect the fuel lines by squeezing the connector tabs and pulling the lines straight off.
- Rotate the filter fully counterclockwise until the peg is at the far end of the slot.
- Pull the filter straight up from the bracket and discard the filter.
Note:
No special air purge is necessary after filter servicing. The fuel system purges the air in the filters.
Installation
- Install the new filter into the filter bracket. Turn the filter clockwise to lock it in place.
- Reconnect the fuel lines.
- Switch the ignition on for 30 seconds and then switch the ignition off.Repeat this operation six times in a row to purge any trapped air from the fuel system.
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