Fuel Injector: Installation

INSTALL FUEL INJECTOR ASSEMBLY
1. Install a new grommet and insulator to the injector.
  
  Fig 1: Identifying New Grommet & Insulator
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check that there is no foreign object or damage to the groove of the O-ring of the injector. Apply gasoline to a new O-ring, and install it to the injector.
3. Install the injector to the delivery pipe while turning the injector in both ways.
4. Check that the injector can turn smoothly.
NOTE: When the injector cannot turn smoothly, the O-ring might be caught in something. In that case, replace the O-ring with a new one.
INSTALL NO. 2 FUEL DELIVERY PIPE SUB-ASSEMBLY
1. Install the injector with the delivery pipe to the intake manifold.
2. Turn the injector in both ways by approximately 45 degrees.
3. Inserting a spacer between the delivery pipe and the intake manifold, install the delivery pipe with the injector with the 2 nuts.
Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf)
INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
1. Install the injector with the delivery pipe to the intake manifold.
2. Turn the injector in both ways by approximately 45 degrees.
3. Inserting a spacer between the delivery pipe and the intake manifold, install the delivery pipe with the injector with the 2 nuts.
Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf)
INSTALL FUEL HOSE
1. Using 2 new gaskets, install the fuel main hose with the fuel pressure pulsation damper.
  Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf)
  
  Fig 2: Identifying Fuel Main Hose Gaskets
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY
Torque: 18 N*m (185 kgf*cm, 13 ft.*lbf)
INSTALL NO. 3 FUEL PIPE SUB-ASSEMBLY
Torque: 7.5 N*m (80 kgf*cm, 66 ft.*lbf)
INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY
1. Install the fuel pipe sub-assembly with the bolts.
2. Using 4 new gaskets, install the No. 1 fuel pipe sub-assembly with the 2 union bolts.
Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf)
INSTALL AIR CLEANER HOSE ASSEMBLY
CHECK FOR FUEL LEAKAGE (See ON-VEHICLE INSPECTION )
INSTALL V-BANK COVER SUB-ASSEMBLY
Torque: 7.5 N*m (80 kgf*cm, 66 ft.*lbf)