Lexus IS250 IS220d GSE20 ALE20 4GR-FSE FUEL
FUEL PUMP - INSTALLATION
| 1. INSTALL FUEL PRESSURE REGULATOR ASSEMBLY |
Apply a light coat of gasoline to 2 new O-rings, and install them to the fuel pressure regulator.
Install the fuel pressure regulator to the fuel relief valve.
Install the clip to the relief valve.
| 2. INSTALL JET PUMP |
Apply a light coat of gasoline to a new O-ring, and install the O-ring and jet pump to the fuel relief valve assembly.
| 3. INSTALL FUEL RELIEF VALVE ASSEMBLY |
Apply a light coat of gasoline to a new O-ring, and install the O-ring and fuel relief valve assembly to the fuel filter.
| 4. INSTALL FLANGE ASSEMBLY |
Apply a light coat of gasoline to a new O-ring, and install the O-ring and flange assembly to the fuel filter.
| 5. INSTALL FUEL PUMP |
Install the fuel pump spacer to the fuel pump.
Apply a light coat of gasoline to a new seal, and install it to the fuel pump.
Install the fuel pump to the fuel filter.
Connect the 2 connectors and terminal.
| 6. INSTALL NO. 1 FUEL SUB-TANK |
Apply a light coat of gasoline to a new O-ring, and install the O-ring and No. 1 fuel sub-tank to the fuel filter with flange assembly.
Connect the jet pump nozzle to the No. 1 fuel sub-tank.
Install a new E-ring.
| 7. INSTALL FUEL SENDER GAUGE ASSEMBLY |
Set the fuel sender gauge to the No. 1 fuel sub-tank. Then slide the sender gauge downward to install it.
Connect the fuel sender gauge connector.
| 8. INSTALL FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY |
Install a new gasket onto the fuel tank.
Connect the fuel hose with the clip.
Set the fuel suction tube to the fuel tank.
- NOTICE:
Align the protrusion of the fuel suction tube and the cutout of the fuel tank vent tube set plate.
While holding the fuel suction tube by hand, install the fuel tank vent tube to the fuel tank with the 8 bolts.
- Torque:
- 6.0 N*m{ 61 kgf*cm, 53 in.*lbf}
Connect the fuel tube.
Push the fuel tube joint in the plug of the fuel suction plate, then install the 2 tube joint clips.
- NOTICE:
Connect the fuel suction tube connector.
| 9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL |
| 10. CHECK FOR FUEL LEAKAGE |
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
- NOTICE:
- Do not start the engine.
Push the intelligent tester main switch ON.
Select the following menus: Powertrain / Engine / Active Test / Control the Fuel Pump /Speed.
Check the fuel pump operation.
Check for pressure in the fuel inlet tube from the fuel line. Check that sound of fuel flowing in the fuel tank can be heard.
If no sound can be heard, check the integration relay, fuel pump, ECM and wiring connector.
Check for fuel leaks.
Check that there are no fuel leaks anywhere on the system after performing maintenance.
If there is a fuel leak, repair or replace parts as necessary.
| 11. INSTALL NO. 2 REAR FLOOR SERVICE HOLE COVER |
Install the No. 2 rear floor service hole cover with new butyl tape.
| 12. INSTALL REAR SEAT CUSHION ASSEMBLY |
Attach the 2 rear hooks of the seat cushion to the seatback.
Attach the 2 front hooks of the seat cushion to the vehicle body.
Confirm that the seat cushion is firmly installed.
- NOTICE:
- When installing the seat cushion, make sure the seat belt buckle is not under the seat cushion.
| 13. PERFORM INITIALIZATION |
Perform initialization .
- HINT:
- Certain systems need to be initialized after reconnecting the cable to the negative (-) battery terminal.