Fuel Relief Valve: Installation

INSTALL FUEL RELIEF VALVE ASSEMBLY
1. Install a new O-ring, new backup rings (No 1, No 2 and No 3) and a new E-ring to the fuel relief valve as shown in the illustration
  
  Fig 1: Identifying Fuel Relief Valve Incorrect And Correct Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Check that there is no foreign matter or damaged areas in the relief valve's O-ring groove.
  - Check that the No. 1 and No. 2 backup rings are installed in the correct direction.
  - Make sure that the backup rings and O-ring are installed in the correct order.
  - Check that the alignment openings of the backup rings are not overlapped or stretched as shown in the illustration.
  - After installing the O-ring, check that it is not contaminated with foreign matter and is not damaged.
  - Check that the No. 3 fuel pipe installation end is not contaminated with foreign matter and is not damaged.
2. Fix the delivery pipe between aluminum plates in a vise.
  NOTE: Do not overtighten the vise.
3. Apply gasoline to the O-ring. Using a 5 mm hexagon socket wrench, install the fuel relief valve to the fuel delivery pipe with the 2 bolts.
  Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf)
  
  Fig 2: Locating Fuel Relief Valve Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FUEL DELIVERY PIPE (See INSTALLATION )
INSTALL NO. 4 FUEL PIPE SUB-ASSEMBLY (See INSTALLATION )
INSTALL NO. 2 ENGINE COVER SUB-ASSEMBLY LH (See INSTALLATION )
INSTALL NO. 2 ENGINE COVER SUB-ASSEMBLY (See INSTALLATION )
INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY (See INSTALLATION )
INSTALL NO. 2 FUEL PIPE SUB-ASSEMBLY
1. Install the No. 2 fuel pipe (see INSTALLATION ).
INSTALL FUEL PRESSURE PULSATION DAMPER ASSEMBLY
1. Install the fuel pressure pulsation damper (see INSTALLATION ).
INSPECT FOR FUEL LEAK (See ON-VEHICLE INSPECTION )