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Disassembly [10/2017 - ]: Procedure

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  1. REMOVE INTAKE VALVE 
    1. Using SST, compress the inner compression spring and remove the valve spring retainer locks.
      • SST: 09202-70020 
        1. 09202-01010
        2. 09202-01020
      • SST: 09202-00021 
      GTY779352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the valve spring retainer, inner compression spring and intake valve.

      HINT: 

      Arrange the removed parts in the correct order.

  2. REMOVE EXHAUST VALVE 
    1. Using SST, compress the inner compression spring and remove the valve spring retainer locks.
      • SST: 09202-70020 
        1. 09202-01010
        2. 09202-01020
      • SST: 09202-00021 
      GTY625673Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the valve spring retainer, inner compression spring and exhaust valve.

      HINT: 

      Arrange the removed parts in the correct order.

  3. REMOVE VALVE STEM OIL SEAL 
    1. Using needle-nose pliers, remove the valve stem oil seals.
      GTY600604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE VALVE SPRING SEAT 
    1. Using compressed air and a magnet hand, remove the valve spring seats by blowing air onto them.
      GTY552613Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 1 STRAIGHT SCREW PLUG 
    GTY823626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A for Bank 1
    *B for Bank 2
    NOTE:

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

    1. Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 gaskets.
  6. REMOVE NO. 2 STRAIGHT SCREW PLUG 
    GTY777948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A for Bank 1
    *B for Bank 2
    NOTE:

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

    1. Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 gaskets.
  7. REMOVE NO. 3 STRAIGHT SCREW PLUG 
    GTY792449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A for Bank 1
    *B for Bank 2
    NOTE:

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

    1. Using a 10 mm hexagon wrench, remove the 8 No. 3 straight screw plugs and 8 gaskets.
  8. REMOVE UNION 
    NOTE:

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

  9. REMOVE STUD BOLT 
    NOTE:

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

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