Toyota Tundra Service Manual: Removal

REMOVAL

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (See page ).

2. DISCHARGE FUEL SYSTEM PRESSURE

CAUTION:

  • Do not disconnect any part of the fuel system until you have discharged the fuel system pressure.
  • After discharging the fuel pressure, place a cloth or equivalent over fittings as you separate them to reduce the risk of fuel spray on yourself or in the engine compartment.

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

(b) Disconnect the fuel pump ECU connector (See page ).

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

(d) Start the engine. After the engine has stopped on its own, turn the ignition switch off.

HINT:

DTC P0171/0174 (system too lean) may be set.

(e) Crank the engine again, and then check that the engine does not start.

(f) Loosen the fuel tank cap, and then discharge the pressure in the fuel tank completely.

(g) Connect the fuel pump ECU connector (See page ).

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

4. REMOVE EGR VALVE BRACKET

(See page )

5. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the No. 2 fuel tube sub-assembly from the fuel pressure regulator assembly (for Quick Type A) (See page ).

6. DISCONNECT FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the fuel tube sub-assembly from the fuel delivery pipe sub-assembly RH (for Quick Type A) (See page ).

(b) Disconnect the fuel tube sub-assembly from the fuel delivery pipe sub-assembly LH (for Quick Type A) (See page ).

7. DISCONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY

(a) Detach the clamp.

(b) Disconnect the No. 1 fuel pipe sub-assembly from the fuel delivery pipe sub-assembly LH (for Quick Type B) (See page ).

8. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY RH

(a) Disconnect the No. 6 wire harness connector.

(b) Remove the 2 bolts and fuel delivery pipe sub-assembly RH.

NOTICE:

When removing the fuel delivery pipe sub-assembly RH, hold the pipe by both ends and pull it straight upward.

(c) Remove the 2 delivery pipe spacers and 4 insulators from the cylinder head sub-assembly RH.

9. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY LH

(a) Disconnect the No. 7 wire harness connector.

(b) Remove the 2 bolts and fuel delivery pipe sub-assembly LH.

NOTICE:

When removing the fuel delivery pipe sub-assembly LH, hold the pipe by both ends and pull it straight upward.

(c) Remove the 2 delivery pipe spacers and 4 insulators from the cylinder head sub-assembly LH.

10. REMOVE FUEL INJECTOR ASSEMBLY

(a) Remove the fuel injector assembly from the fuel delivery pipe sub-assembly, and then disconnect the injector connector.

NOTICE:

For reinstallation, attach a tag or label to the injector shaft.

(b) Remove the O-ring from the fuel injector assembly.

(c) Detach the 3 clamps and then remove the No. 6 wire harness from the fuel delivery pipe sub-assembly RH.

(d) Detach the 3 clamps and then remove the No. 7 wire harness from the fuel delivery pipe sub-assembly LH.

    Installation

    Fuel Pressure Regulator

    See More:

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