SFI System (5VZ-FE): Injector: Installation

1. Install a new insulator to each injector.
2. Apply a light coat of spindle oil or gasoline to 2 new O-rings and install them to each injector.
   Fig 1: Installing O-Rings To Injectors

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3. While turning the injector clockwise and counterclockwise, push it to the delivery pipes. Install the 6 injectors.
4. Position the injector connector outward.
   Fig 2: Pushing Injector In To Delivery Pipes

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5. Place the 4 spacers in position on the intake manifold.
6. Place the delivery pipes with the 6 injectors in position on the intake manifold.
7. Temporarily install the 4 bolts holding the delivery pipes to the intake manifold.
   Fig 3: Installing 4 Bolts Holding Delivery Pipes To Intake Manifold

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Check that the injectors rotate smoothly.

   HINT:

   If injectors do not rotate smoothly, the probable cause is incorrect installation of O-rings. Replace the O-rings.

9. Position the injector connector outward.

Fig 4: Checking Injectors Rotation

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1. Install the fuel pipe with 4 new gaskets and the 2 union bolts.

   Torque: 34.3 N.m (350 kgf.cm, 25 ft.lbf) 

2. Tighten the 4 bolts holding the delivery pipes to the intake manifold.

   Torque: 13 N.m (130 kgf.cm, 10 ft.lbf) 

Fig 5: Installing Fuel Pipe

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1. Temporarily install the inlet pipe with 2 new gaskets, union bolt and bolt.
2. Tighten the clamp bolt.

   Torque: 8 N.m (80 kgf.cm, 71 in.lbf) 

3. Tighten the union bolt.

   Torque: 34.3 N.m (350 kgf.cm, 25 ft.lbf) 

Fig 6: Tightening Clamp And Union Bolt
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(See  INSTALLATION   ) 

Visually check for loose connections, sharp bends or damage.

(See  INSTALLATION  )