Home › Engine/Hybrid System › Fuel System › 3UR-FE FUEL: FUEL TANK
Last Modified: 11-27-2007 1.6 A
Service Category: Engine/Hybrid System Section: Fuel System
Model Year: 2008 Model: LX570 Doc ID: RM0000039W900DX
Title: 3UR-FE FUEL: FUEL TANK: REMOVAL (2008 LX570)

REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE 3UR-FE FUEL: FUEL INJECTOR: REMOVAL (2008 LX570)+

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NOTICE:

3. REMOVE REAR SEAT ASSEMBLY

(a) Remove the rear No. 1 seat assembly and rear No. 2 seat assembly SEAT: REAR NO. 1 SEAT ASSEMBLY (for LH Side): REMOVAL (2008 LX570) .

4. REMOVE FRONT FLOOR CARPET ASSEMBLY

(a) Fold back the floor carpet.

HINT:

Fold back the carpet until it is possible to remove the air duct.

5. REMOVE REAR FLOOR NO. 2 SERVICE HOLE COVER

(a) Remove the 2 screws and air duct.

(b) Remove the service hole cover.

6. REMOVE FUEL TANK CAP ASSEMBLY

7. REMOVE NO. 1 FUEL TANK PROTECTOR SUB-ASSEMBLY

(a) Remove the 5 bolts and fuel tank protector.

8. DISCONNECT FUEL TANK MAIN TUBE SUB-ASSEMBLY

(a) Detach the fuel tube clamp.

(b) Pull up the retainer and disconnect the fuel tank main tube.

NOTICE:

  • Check for foreign matter in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-ring or cause leaks in the seal between the pipe and connector.
  • Do not use any tools to separate the pipe and connector.
  • Do not forcefully bend or twist the nylon tube.
  • Check for foreign matter on the pipe seal surface. Clean if necessary.
  • Put the pipe and connector ends in plastic bags to prevent damage and foreign matter contamination.
  • If the pipe and connector are stuck together, pinch the connector between your fingers and turn it carefully to disconnect it.

9. DRAIN FUEL

(a) Connect the cable to the negative (-) battery terminal.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION (2008 LX570) .

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

NOTICE:

Do not start the engine.

(d) Turn the Techstream main switch on.

(e) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump / Speed.

CAUTION:

  • Do not smoke or be near an open flame when working on the fuel system.
  • Secure good ventilation.
  • Keep gasoline away from rubber or leather parts.

HINT:

If the fuel pump does not operate, remove the fuel tube joint clip and No. 1 fuel tube joint, and drain fuel from the port shown in the illustration.

(f) Disconnect the fuel pump and fuel sender gauge connector.

(g) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NOTICE:

    w/ Navigation System:

  • After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
  • When disconnecting the cable, some systems need to be initialized after the cable is reconnected INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION (2008 LX570) .

10. DISCONNECT FUEL TANK RETURN TUBE SUB-ASSEMBLY

(a) Detach the fuel tube clamp.

(b) Pull up the retainer and disconnect the fuel tank return tube.

NOTICE:

  • Check for foreign matter in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-ring or cause leaks in the seal between the pipe and connector.
  • Do not use any tools to separate the pipe and connector.
  • Do not forcefully bend or twist the nylon tube.
  • Check for foreign matter on the pipe seal surface. Clean if necessary.
  • Put the pipe and connector ends in plastic bags to prevent damage and foreign matter contamination.
  • If the pipe and connector are stuck together, pinch the connector between your fingers and turn it carefully to disconnect it.

11. DISCONNECT NO. 2 FUEL TANK BREATHER TUBE SUB-ASSEMBLY

(a) Detach the 2 fuel tube clamps.

(b) Pull up the retainer and disconnect the fuel tank breather tube.

NOTICE:

  • Do not use any tools in this procedure.
  • Check for any dirt and foreign matter contamination in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-rings or cause leaks in the seal between the pipe and connector.

12. DISCONNECT FUEL TANK BREATHER TUBE SUB-ASSEMBLY

(a) Detach the fuel tube clamp.

(b) Disconnect the fuel tank breather tube.

NOTICE:

  • Check for foreign matter in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-ring or cause leaks in the seal between the pipe and connector.
  • Do not use any tools to separate the pipe and connector.
  • Do not forcefully bend or twist the nylon tube.
  • Check for foreign matter on the pipe seal surface. Clean if necessary.
  • Put the pipe and connector ends in plastic bags to prevent damage and foreign matter contamination.
  • If the pipe and connector are stuck together, pinch the connector between your fingers and turn it carefully to disconnect it.

13. DISCONNECT FUEL TANK TO FILLER PIPE HOSE

(a) Disconnect the fuel tank to filler pipe hose from the fuel tank filler pipe.

14. REMOVE FUEL TANK SUB-ASSEMBLY

(a) Place a transmission jack under the fuel tank.

(b) Remove the 2 bolts, 2 clips, 2 pins and 2 fuel tank bands.

(c) Slowly lower the transmission jack slightly.

15. REMOVE FUEL TANK MAIN TUBE SUB-ASSEMBLY AND FUEL TANK RETURN TUBE SUB-ASSEMBLY

(a) Remove the 3 fuel tube joint clips and pull out the 2 fuel tubes and No. 1 fuel tube joint.

NOTICE:

  • Remove any dirt and foreign matter on the fuel tube joint before performing this step.
  • Do not allow any scratches or foreign matter on the parts when disconnecting them, as the fuel tube joint contains the O-rings that seal the plug.
  • Perform this step by hand. Do not use any tools.
  • Do not forcibly bend, twist or turn the nylon tube.
  • Protect the disconnected part by covering it with a plastic bag and tape after disconnecting the fuel tubes.


(b) Remove the fuel main tube and fuel return tube from the fuel tank.

16. REMOVE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY 3UR-FE FUEL: FUEL PUMP: REMOVAL (2008 LX570)+

17. REMOVE FUEL TANK TO FILLER PIPE HOSE

(a) Remove the fuel tank to filler pipe hose from the fuel tank.

18. REMOVE NO. 1 FUEL TANK HEAT INSULATOR

(a) Remove the fuel tube clamp from the No. 1 fuel tank heat insulator.

(b) Using needle-nose pliers, remove the 4 clips shown in the illustration and then remove the No. 1 fuel tank heat insulator.