Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Fuel System
Model Year: 2008 Model: Sequoia Doc ID: RM000000Q46029X
Title: 3UR-FE FUEL: FUEL INJECTOR: INSTALLATION (2008 Sequoia)

INSTALLATION

1. INSTALL FUEL INJECTOR ASSEMBLY


(a) Apply gasoline or spindle oil to a new O-ring and install it to the injector.

NOTICE:

Make sure that there is no damage or foreign material in the groove of the injector when installing the O-ring.


(b) Connect the injector connector.


(c) Install the injector to the fuel delivery pipe as shown in the illustration.

NOTICE:

  • Make sure that there are no scratches or foreign matter in or around the insertion hole of the fuel delivery pipe.
  • When inserting the injector, be careful not to damage the O-ring.
  • Attach the part of the injector labeled B between the parts of the fuel delivery pipe labeled A.


(d) Check that each injector is installed to the fuel delivery pipe facing the direction shown in the illustration.

2. INSTALL NO. 2 FUEL DELIVERY PIPE SUB-ASSEMBLY


(a) Install the 2 spacers and 4 insulators to the cylinder head LH.

(b) Install the fuel delivery pipe (with injectors) to the cylinder head LH.

(c) Install the 2 bolts.

Torque: 21 N·m (214 kgf·cm, 16 ft·lbf)



NOTICE:

Make sure that the part of the injector labeled B is between the parts of the fuel delivery pipe labeled A.

(d) Connect the No. 6 wire harness connector.

3. INSTALL NO. 3 ENGINE COVER

(a) Install the No. 3 engine cover.

4. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY


(a) Install the 2 spacers and 4 insulators to the cylinder head RH.

(b) Install the fuel delivery pipe (with injectors) to the cylinder head RH.

(c) Install the 2 bolts.

Torque: 21 N·m (214 kgf·cm, 16 ft·lbf)



NOTICE:

Make sure that the part of the injector labeled B is between the parts of the fuel delivery pipe labeled A.

5. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

(a) Install the No. 1 engine cover.

6. INSTALL NO. 3 VENTILATION HOSE


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

(b) Connect the No. 3 ventilation hose.

7. CONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY


(a) Connect the No. 1 fuel pipe to the No. 2 fuel delivery pipe 3UR-FE FUEL: FUEL SYSTEM: PRECAUTION (2008 Sequoia) .

8. CONNECT FUEL TUBE SUB-ASSEMBLY


(a) Connect the fuel tube to the No. 2 fuel delivery pipe 3UR-FE FUEL: FUEL SYSTEM: PRECAUTION (2008 Sequoia) .


(b) Connect the fuel tube to the fuel delivery pipe 3UR-FE FUEL: FUEL SYSTEM: PRECAUTION (2008 Sequoia) .

9. CONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY


(a) Connect the No. 2 fuel tube to the fuel pressure regulator 3UR-FE FUEL: FUEL SYSTEM: PRECAUTION (2008 Sequoia) .

10. INSTALL AIR CLEANER HOSE ASSEMBLY 3UR-FE INTAKE / EXHAUST: INTAKE MANIFOLD: INSTALLATION (2008 Sequoia)+

11. INSPECT FOR FUEL LEAK

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON and Techstream main switch ON.

NOTICE:

Do not start the engine.

(c) Techstream:

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

(d) Check that there are no fuel leaks after doing maintenance anywhere on the fuel system.

12. INSTALL V-BANK COVER 3UR-FE INTAKE / EXHAUST: INTAKE MANIFOLD: INSTALLATION (2008 Sequoia)+