Fuel Injector (For Sedan) Installation

Apply a light coat of gasoline or spindle oil to new O-rings, then install one onto each fuel injector.

Apply a light coat of gasoline or spindle oil to the contact surfaces of the fuel delivery pipe and the O-ring of the fuel injector.

While turning the fuel injector left and right, install it onto the fuel delivery pipe.

NOTICE:

1. Do not twist the O-ring.
   
2. After installing the fuel injectors, check that they turn smoothly. If not, replace the O-ring with a new one.
   

Install 4 new injector vibration insulators onto the cylinder head.

Install the 2 No. 1 delivery pipe spacers onto the cylinder head.

NOTICE:

Install the delivery pipe No. 1 spacer in the correct direction.

Install the fuel delivery pipe sub-assembly with the 4 fuel injectors, then provisionally install the 3 bolts.

NOTICE:

1. Do not drop the fuel injectors when installing the fuel delivery pipe sub-assembly.
   
2. Check that the fuel injectors rotate smoothly after installing the fuel delivery pipe sub-assembly.
   

Tighten the 3 bolts to the specified torque.

Torque:

19 N*m{194 kgf*cm, 14 ft.*lbf} for bolt A

9.0 N*m{92 kgf*cm, 80 in.*lbf} for bolt B

Insert the fuel tube connector into the fuel delivery pipe until a click sound can be heard.

NOTICE:

1. Check that there are no scratches or foreign matter around the disconnected parts of the fuel tube connector and pipe before performing this work.
   
2. After connecting the fuel tube, check that the fuel tube connector and pipe are securely connected by pulling them.
   

Install the fuel pipe clamp.

Install a new gasket to the cylinder head cover sub-assembly.

Apply seal packing to the cylinder head as shown in the illustration.

Seal Packing:

Toyota Genuine Seal Packing Black, Three Bond 1207B or Equivalent

NOTICE:

1. Remove any oil from the contact surface.
   
2. Install the cylinder head cover sub-assembly within 3 minutes of applying the seal packing.
   
3. Do not start the engine for at least 2 hours after the installation.
   

Install the cylinder head cover sub-assembly with the 9 bolts, 2 nuts and 2 seal washers.

Tighten the 9 bolts and 2 nuts in the sequence shown in the illustration.

Torque:

10 N*m{102 kgf*cm, 7.0 ft.*lbf}

Install the wire harness bracket with the bolt.

Torque:

13 N*m{133 kgf*cm, 9.6 ft.*lbf}

Connect the connector and wire harness clamp shown in the illustration and connect the engine wire harness.

Connect the fuel injector connectors.

Connect fuel vapor feed hose assembly.

Connect the ventilation hose.

Install the 4 ignition coils with the 4 bolts.

Torque:

9.0 N*m{92 kgf*cm, 80 in.*lbf}

NOTICE:

If the body or cap of the ignition coil is dropped or subjected to a strong impact, replace the ignition coil with a new one.

Connect the 4 ignition coil connectors.

When using the Techstream.

1. Connect the Techstream to the DLC3.
   

2. Turn the ignition switch to ON and turn the tester ON.
   

   NOTICE:

   Do not start the engine.

3. Select the following menu items: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump / Speed.
   

   HINT:

   Refer to the Techstream operator's manual for further details.

Check that there is no fuel leakage anywhere on the fuel system after doing maintenance.

Tighten the 2 A nuts, then the 2 B nuts.

Torque:

7.0 N*m{71 kgf*cm, 62 in.*lbf}