Toyota Highlander Service Manual: Fuel injector ASSY (2AZ-FE)

COMPONENTS

REPLACEMENT

1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See page 11-1 )

2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

3. REMOVE ENGINE COVER SUB-ASSY NO.1

4. DISCONNECT FUEL TUBE SUB-ASSY (See page 16-6 )

5. REMOVE FUEL DELIVERY PIPE W/INJECTOR

NOTICE: Be careful not to drop the injectors when removing the delivery pipe.

(a) Remove the ventilation hose No. 2.

(b) Disconnect the 4 injector connecters from the injector.

(c) Remove the 2 clamps and wire harnesses from the delivery pipe.

(d) Remove the 2 bolts and the delivery pipe together with the 4 injectors.

(e) Remove the 2 spacers from the cylinder head.

6. REMOVE FUEL INJECTOR ASSY

(a) Pull out the 4 injectors from the delivery pipe.

7. INSTALL FUEL INJECTOR ASSY

(a) Install a new insulator to each injector.

(b) Apply a light coat of grease or gasoline to a new O-ring and install to each injector.

(c) Apply a light coat of grease or gasoline on the place where a delivery pipe touches the O-ring.

(d) To install the fuel injector into the fuel delivery pipe, push the fuel injector while twisting it back and forth.

(e) Install the 4 injectors.

NOTICE:

• Be careful not to twist the O-ring.
• After installing the fuel injector, check that it turns smoothly. If not, reinstall it with a new O-ring.

(f) Position the injector connector downward.

8. INSTALL FUEL DELIVERY PIPE W/INJECTOR

(a) Place the 2 spacers in position on the cylinder head.

(b) Place the delivery pipe together with the 4 injectors in position on the cylinder head.

(c) Temporarily install the 2 bolts holding the delivery pipe to the cylinder.

NOTICE: After installing the fuel injector, check that it turns smoothly.

If not, reinstall it with a new O-ring.

(d) Position the injector connector outward.

(e) Tighten the 2 bolts holding the delivery pipe to the cylinder head.

Torque: 20 NVm (204 kgfVcm, 15 ftVlbf)

9. CONNECT FUEL TUBE SUB-ASSY

10. INSPECT FOR FUEL LEAKS (See page 11-4 )

11. INSTALL ENGINE COVER SUB-ASSY NO.1 (See page 14-24 )

12. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 )

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