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Reassembly [08/2015 - 10/2016]: Procedure

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL STUD BOLT 
    1. Using E7 and E8 "TORX" socket wrenches, install the stud bolts.
      • Stud bolts A, B, C, D

      Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf) 

      GTY555887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL NO. 2 STRAIGHT SCREW PLUG 
    1. Using a 14 mm hexagon wrench, install 2 new gaskets and the 2 straight screw plugs.
      GTY587003Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 85 N.m (867 kgf/cm, 63 ft.lbf) 

  3. INSTALL NO. 1 STRAIGHT SCREW PLUG 
    1. Using a 10 mm hexagon wrench, install 6 new gaskets and the 6 straight screw plugs.
      GTY598084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 44 N.m (449 kgf/cm, 32 ft.lbf) 

  4. INSTALL VALVE SPRING SEAT 
    1. Install the valve spring seats to the cylinder head.
  5. INSTALL VALVE STEM OIL SEAL 
    1. Apply a light coat of engine oil to new oil seals.
      GTY420478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Pay attention when installing the intake and exhaust oil seals. For example, installing the intake oil seal into the exhaust side or installing the exhaust oil seal into the intake side can cause installation problems later.

      HINT: 

      • for Intake Side

        The intake side valve stem oil seals is gray or black.

      • for Exhaust Side

        The exhaust side valve stem oil seals is black or gray.

    2. Using SST, push in the oil seals.
      GTY136705Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09201-41020 
      NOTE:

      Failure to use SST will cause the seal to be damaged or improperly seated.

  6. INSTALL INTAKE VALVE 

    HINT: 

    The shape of the inner compression spring determines whether the valve spring type described here is A or B.

    1. Apply plenty of engine oil to the tip area of the intake valve shown in the illustration.
      GTY586119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the valve, compression spring and spring retainer to the cylinder head.
      GTY638047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Valve Spring Type B
      *a Narrow
      *b Wide
      NOTE:
      • Install the same parts in the same combination to their original locations.
      • Valve Spring Type B:

        Install the inner compression spring to the wide end of the cylinder head sub-assembly.

    3. Valve Spring Type A:
      GTY129246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using SST and wooden blocks, compress the spring and install the retainer locks.
        • SST: 09202-70020 
          1. 09202-00010
          2. 09202-01010
          3. 09202-01020
      2. Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
        NOTE:
        • Do not damage the valve stem tip.
        • Be careful not to damage the retainer.
        GTY142450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. GTY625461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Valve Spring Type B:

      1. Using SST and wooden blocks, compress the spring and install the retainer locks.
        • SST: 09202-70020 
          1. 09202-01010
          2. 09202-01020
        • SST: 09202-00021 
      2. Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
        NOTE:
        • Do not damage the valve stem tip.
        • Be careful not to damage the retainer.
        GTY679891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL EXHAUST VALVE 

    HINT: 

    The shape of the inner compression spring determines whether the valve spring type described here is A or B.

    1. Apply plenty of engine oil to the tip area of the exhaust valve shown in the illustration.
      GTY586119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the valve, compression spring and spring retainer to the cylinder head.
      NOTE:
      • Install the same parts in the same combination to their original locations.
      • Valve Spring Type B:

        Install the inner compression spring to the wide end of the cylinder head sub-assembly.

      GTY645281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Valve Spring Type B
      *a Narrow
      *b Wide
    3. Valve Spring Type A:
      GTY147916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using SST and wooden blocks, compress the spring and install the retainer locks.
        • SST: 09202-70020 
          1. 09202-00010
          2. 09202-01010
          3. 09202-01020
      2. Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
        GTY129028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:
        • Do not damage the valve stem tip.
        • Be careful not to damage the retainer.
    4. GTY631751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Valve Spring Type B:

      1. Using SST and wooden blocks, compress the spring and install the retainer locks.
        • SST: 09202-70020 
          1. 09202-01010
          2. 09202-01020
        • SST: 09202-00021 
      2. Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
        GTY646025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:
        • Do not damage the valve stem tip.
        • Be careful not to damage the retainer.
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