Fuel Filter: Service and Repair

EARLY MODEL VEHICLE

IN TANK FUEL FILTER

Fuel Pump/sending Unit Assembly:

REMOVAL
1. Remove the fuel tank.
2. Remove the fuel pump/sending unit assembly.
3. Pull filter off of pump/sending unit assembly.

INSTALLATION
1. Push new filter onto the pump/sending unit assembly.
2. Install the pump/sending unit in fuel tank.
3. Install the fuel tank.
4. Turn the key to the ON position to pressurize system, and check for leaks.


PRIMARY FUEL FILTER

Primary Fuel Filter:

REMOVAL
1. Disconnect the negative battery terminal, and remove the fuel tank cap.
2. Raise and support the vehicle for access.
3. Wrap quick-connect connector with a shop towel before disconnecting to contain spray and absorb any fuel spilled when lines are disconnected.
4. Remove fuel filter lines from the inlet and outlet fuel nipples.
5. Remove the retaining strap bolt, and remove the filter.

INSTALLATION
1. Install the new filter in the retaining strap. Check the direction of flow by the markings on the filter, and ensure it is correct.
2. Install the retaining strap bolt, and torque to 12 N-m (8.8 lb-ft)
3. Install the inlet and outlet lines.
4. Lower the vehicle. Reconnect the negative battery terminal, and replace the fuel tank cap.
5. Turn key to the on position to pressurize the system, and check for leaks.


LATE MODEL VEHICLES
IN TANK FUEL STRAINER






REMOVAL
1. Remove the fuel tank.
2. Remove the fuel pump/sending unit assembly.

Fuel Pump And Strainer:

3. Pry locking tabs on the strainer out and pull strainer off pump/sending unit assembly.

INSTALLATION
1. Align the orientation tabs in the strainer with the slots on the pump/sending unit assembly, and push the strainer onto the pump/sending unit assembly making sure that the locking tabs latch completely on the pump/sending unit assembly tangs.
2. Install the pump/sending unit in fuel tank.
3. Install the fuel tank.
4. Using the DRB II select the Automatic Shut Down (ASD) Fuel System Test to pressurize fuel system and check for leaks.
CAUTION:Unless the test is stopped or the ignition switch is turned to the OFF position the fuel pump relay and the ASD relay will remain energized for 7 minutes by the ASD Fuel System Test.


PRIMARY FUEL FILTER

Primary Fuel Filter:

REMOVAL
1. Disconnect the negative battery terminal, and remove the fuel tank cap.
2. Raise and support the vehicle for access.
3. Wrap quick-connect connector with a shop towel before disconnecting to contain spray and absorb any fuel spilled when lines are disconnected.
4. Remove fuel filter lines from the inlet and outlet fuel nipples.
5. Remove the retaining strap bolt, and remove the filter.

INSTALLATION
1. Install the new filter in the retaining strap. Check the direction of flow by the markings on the filter, and ensure it is correct.
2. Install the retaining strap bolt, and torque to 12 N-m (8.8 lb-ft)
3. Install the inlet and outlet lines.
4. Lower the vehicle. Connect the negative battery terminal, and replace the fuel tank cap.
5. Using the DRB II select the Automatic Shut Down (ASD) Fuel System Test to pressurize fuel system and check for leaks.
CAUTION:Unless the test is stopped or the ignition switch is turned to the OFF position the fuel pump relay and the ASD relay will remain energized for 7 minutes by the ASD Fuel System Test.