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Disassembly [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. REMOVE INTAKE VALVE 

    HINT: 

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

    1. Valve Spring Type A:
      GTY129246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using SST and wooden blocks, compress the compression spring and remove the valve spring retainer locks.
        • SST: 09202-70020 
          1. 09202-00010
          2. 09202-01010
          3. 09202-01020
      2. Remove the retainer, compression spring and valve.

        HINT: 

        Arrange the removed parts in the correct order.

    2. GTY625461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Valve Spring Type B:

      1. Using SST and wooden blocks, compress the compression spring and remove the valve spring retainer locks.
        • SST: 09202-70020 
          1. 09202-01010
          2. 09202-01020
        • SST: 09202-00021 
      2. Remove the retainer, compression spring and valve.

        HINT: 

        Arrange the removed parts in the correct order.

  2. REMOVE EXHAUST VALVE 

    HINT: 

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

    1. Valve Spring Type A:
      GTY147916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using SST and wooden blocks, compress the compression spring and remove the valve spring retainer locks.
        • SST: 09202-70020 
          1. 09202-00010
          2. 09202-01010
          3. 09202-01020
      2. Remove the retainer, compression spring and valve.

        HINT: 

        Arrange the removed parts in the correct order.

    2. GTY631751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Valve Spring Type B:

      1. Using SST and wooden blocks, compress the compression spring and remove the valve spring retainer locks.
        • SST: 09202-70020 
          1. 09202-01010
          2. 09202-01020
        • SST: 09202-00021 
      2. Remove the retainer, compression spring and valve.

        HINT: 

        Arrange the removed parts in the correct order.

  3. REMOVE VALVE STEM OIL SEAL 
    1. Using needle-nose pliers, remove the oil seals.
      GTY132263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE VALVE SPRING SEAT 
    1. Using compressed air and a magnet hand, remove the valve spring seat by blowing air onto it.
      GTY603139Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 1 STRAIGHT SCREW PLUG 
    NOTE:

    If water leaks from the No. 1 straight screw plug or the plug is corroded, replace it.

    1. Using a 10 mm hexagon wrench, remove the 6 screw plugs and 6 gaskets.
      GTY598084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 2 STRAIGHT SCREW PLUG 
    GTY587003Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    If water leaks from the No. 2 screw plug or the plug is corroded, replace it.

    1. Using a 14 mm hexagon wrench, remove the 2 screw plugs and 2 gaskets.
  7. REMOVE STUD BOLT 
    NOTE:

    If the stud bolt is deformed or its threads are damaged, replace it.