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Fuel Relief Valve: Installation: Installation

  1. 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
      GTY142311Courtesy 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
      GTY143610Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL FUEL DELIVERY PIPE  See step  3
  3. INSTALL NO. 4 FUEL PIPE SUB-ASSEMBLY  See step  5
  4. INSTALL NO. 2 ENGINE COVER SUB-ASSEMBLY LH  See step  6
  5. INSTALL NO. 2 ENGINE COVER SUB-ASSEMBLY  See step  7
  6. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY  See step  8
  7. INSTALL NO. 2 FUEL PIPE SUB-ASSEMBLY 
    1. Install the No. 2 fuel pipe See step  10.
  8. INSTALL FUEL PRESSURE PULSATION DAMPER ASSEMBLY 
    1. Install the fuel pressure pulsation damper. Refer to INSTALLATION .
  9. INSPECT FOR FUEL LEAK  . Refer to ON-VEHICLE INSPECTION - Step 1
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