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Disassembly [11/2017 - ]: Procedure

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  1. REMOVE INTAKE VALVE 
    1. Using SST and wooden blocks, compress the inner compression springs and remove the 6 valve spring retainer locks from the valve spring retainers.
      • SST: 09202-70020 
        1. 09202-01010
        2. 09202-01020
      • SST: 09202-00021 
      GTY828538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

    2. Remove the 6 valve spring retainers, 6 inner compression springs and 6 intake valves from the cylinder head LH.

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  2. REMOVE EXHAUST VALVE 
    1. Using SST and wooden blocks, compress the inner compression springs and remove the 6 valve spring retainer locks from the valve spring retainers.
      • SST: 09202-70020 
        1. 09202-01010
        2. 09202-01020
      • SST: 09202-00021 
      GTY781624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

    2. Remove the 6 valve spring retainers, 6 inner compression springs and 6 exhaust valves from the cylinder head LH.

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  3. REMOVE INTAKE VALVE STEM OIL SEAL 
    1. Using needle-nose pliers, remove the 6 intake valve stem oil seals from the intake valve guide bushes.
      GTY600604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE EXHAUST VALVE STEM OIL SEAL 

    HINT: 

    Use the same procedure as for the intake side.

  5. REMOVE VALVE SPRING SEAT 
    1. Using compressed air and a Magnet Hand, remove the 12 valve spring seats by blowing air onto them from the cylinder head LH.
      GTY552613Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  6. REMOVE NO. 1 STRAIGHT SCREW PLUG 
    NOTE:

    If coolant leaks from a No. 1 straight screw plug or a plug is corroded, replace it.

    1. Using a 10 mm hexagon socket wrench, remove the 4 No. 1 straight screw plugs and 4 water hole gaskets.
      GTY823626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Bank 1
      *B for Bank 2
  7. REMOVE NO. 2 STRAIGHT SCREW PLUG 
    NOTE:

    If coolant leaks from a No. 2 straight screw plug or a plug is corroded, replace it.

    1. Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 cylinder head screw plug gaskets.
      GTY777948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Bank 1
      *B for Bank 2
  8. REMOVE NO. 3 STRAIGHT SCREW PLUG 
    NOTE:

    If coolant leaks from a No. 3 straight screw plug or a plug is corroded, replace it.

    1. Using a 10 mm hexagon socket wrench, remove the 8 No. 3 straight screw plugs and 8 cylinder head screw plug gaskets.
      GTY792449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Bank 1
      *B for Bank 2
  9. REMOVE UNION 
    NOTE:

    It is not necessary to remove the union unless it is being replaced.

  10. REMOVE STUD BOLT 
    NOTE:

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