Fuel Filter: Service and Repair

NOTE: The Fuel Filter for this vehicle is a 'Maintenance-Free item', and does not require routine service.

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY




Removal and Installation

REMOVAL
1. Release the fuel pressure from the fuel system.
Refer to "FUEL PRESSURE RELEASE" (QG18DE), "FUEL PRESSURE RELEASE" (QR25DE).
2. Disconnect the battery ground cable.
3. Open the fuel filler lid and remove the fuel filler cap to relieve the pressure in the fuel tank.
4. Remove the rear seat cushion. Refer to "Removal and Installation".




5. Remove the inspection hole cover located under the rear seat cushion by rotating the attaching clips 90 ° as shown.




6. Disconnect the fuel pump assembly electrical connector.




7. Disconnect the fuel feed hose quick connector as follows:
a. Apply mating marks on the fuel pump outlet and the quick connector for installation.
b. Hold the quick connector and push in the tabs, then pull out from the fuel pump outlet that is inserted in the quick connector.

CAUTION:
- The quick connector can be removed when the tabs are completely depressed. Do not twist the fuel feed hose more than necessary.
- Do not use any tools to remove the quick connector.

8. Remove the six fuel level sensor and fuel pump assembly retainer ring screws.




9. To remove, pull up on the fuel level sensor and fuel pump assembly as shown.

CAUTION: Do not damage the arm of the fuel level sensor and fuel tank temperature sensor when removing.




10. Remove the fuel pump by gently releasing the tabs using a suitable tool as shown.
- Apply mating marks on the fuel pump and fuel filter for proper alignment for installation.




11. Disconnect the fuel pump harness connector as shown.




12. Remove the fuel filter from fuel level sensor unit by gently releasing the tabs using a suitable tool as shown.
- Apply mating marks on fuel filter and fuel level sensor unit for proper alignment for installation.




13. Remove the fuel pressure regulator from the fuel filter by pulling off the retaining clip using a suitable tool as shown.

INSTALLATION
Installation is in reverse order of removal.
- Connect the quick connector in the order as follows:
- Align the mating marks on the fuel pump outlet and quick connector for installation.
- Align the push tabs with the quick connector slots.




- Insert the fuel pump outlet into the center of the quick connector until you hear a click.

- After connecting the quick connector, make sure the connection is fully seated in the order as follows:




- Pull on the quick connector to make sure it is firmly connected.
- Apply fuel pressure to the fuel lines by turning the ignition switch ON (without starting the engine). Then check for fuel leaks at the connections
- Start the engine and increase the engine speed, verify there are no fuel leaks.