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Replacement [12/2015 - 08/2016]: Procedure

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  1. REPLACE INTAKE VALVE GUIDE BUSH 
    1. Heat the cylinder head to 80 to 100°C (176 to 212°F).
    2. Place the cylinder head on wooden blocks.
    3. Using SST and a hammer, tap out the intake valve guide bushes.
      GTY687469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09201-10000 
        1. 09201-01050
      • SST: 09950-70010 
        1. 09951-07100
    4. Using a caliper gauge, measure the intake valve guide bush bore diameter of the cylinder head.
      GTY145628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Cylinder bore diameter

      10.285 to 10.306 mm (0.4049 to 0.4057 in.)

      Select a new guide bush (STD or O/S 0.05)

      Bush Size Bush Bore Diameter
      STD 10.333 to 10.344 mm (0.4068 to 0.4072 in.)
      O/S 0.05 10.383 to 10.394 mm (0.4088 to 0.4092 in.)

      If the bush bore diameter of the cylinder head is greater than 10.306 mm (0.4057 in.), machine the bush bore to the dimension of 10.335 to 10.356 mm (0.4069 to 0.4077 in.) to install an O/S 0.05 valve guide bush.

      If the bush bore diameter of the cylinder head is greater than 10.356 mm (0.4077 in.), replace the cylinder head.

    5. Heat the cylinder head to 80 to 100°C (176 to 212°F).
    6. Place the cylinder head on wooden blocks.
    7. Using SST, tap in new intake valve guide bushes to the specified protrusion height.
      GTY688583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Protrusion Height
      • SST: 09201-10000 
        1. 09201-01050
      • SST: 09950-70010 
        1. 09951-07100

      Protrusion height

      9.30 to 9.70 mm (0.3661 to 0.3819 in.)

    8. Using a sharp 5.5 mm reamer, ream the valve guide bushings to obtain the specified clearance.
      GTY127717Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard oil clearance

      0.025 to 0.060 mm (0.000984 to 0.00236 in.)

  2. REPLACE EXHAUST VALVE GUIDE BUSH 
    1. Heat the cylinder head to 80 to 100°C (176 to 212°F).
    2. Place the cylinder head on wooden blocks.
    3. Using SST and a hammer, tap out the exhaust valve guide bushes.
      • SST: 09201-10000 
        1. 09201-01050
      • SST: 09950-70010 
        1. 09951-07100
    4. Using a caliper gauge, measure the exhaust valve guide bush bore diameter of the cylinder head.
      GTY136289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Cylinder bore diameter

      10.285 to 10.306 mm (0.4049 to 0.4057 in.)

      Select a new guide bush (STD or O/S 0.05)

      Bush Size Bush Bore Diameter
      STD 10.333 to 10.344 mm (0.4068 to 0.4072 in.)
      O/S 0.05 10.383 to 10.394 mm (0.4088 to 0.4092 in.)

      If the bush bore diameter of the cylinder head is greater than 10.306 mm (0.4057 in.), machine the bush bore to the dimension of 10.335 to 10.356 mm (0.4069 to 0.4077 in.) to install an O/S 0.05 valve guide bush.

      If the bush bore diameter of the cylinder head is greater than 10.356 mm (0.4077 in.), replace the cylinder head.

    5. Heat the cylinder head to 80 to 100°C (176 to 212°F).
    6. Place the cylinder head on wooden blocks.
    7. Using SST, tap in new exhaust valve guide bushes to the specified protrusion height.
      GTY702049Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Protrusion Height
      • SST: 09201-10000 
        1. 09201-01050
      • SST: 09950-70010 
        1. 09951-07100

      Protrusion height

      9.30 to 9.70 mm (0.3661 to 0.3819 in.)

    8. Using a sharp 5.5 mm reamer, ream the valve guide bushings to obtain the specified clearance.
      GTY145207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard oil clearance

      0.030 to 0.065 mm (0.00118 to 0.00256 in.)

  3. REPLACE RING PIN 
    NOTE:

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

    1. Using a plastic hammer, tap in new ring pins to the specified protrusion height.
      GTY740258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a for Bank 1
      *b for Bank 2

      Specified protrusion height

      2.5 to 3.5 mm (0.0984 to 0.138 in.)

  4. REPLACE STUD BOLT 
    NOTE:

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

    1. Using an E6 and E8 "TORX" sockets, install the stud bolts.
      GTY713395Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Bank 1 Rear Side *b Bank 1 Intake Side
      *c Bank 2 Intake Side *d Bank 1 Exhaust Side
      *e Bank 2 Exhaust Side *f Bank 2 Rear Side

      Bolts A and B 

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Bolt C 

      Torque: 4.0 N*m (41 kgf*cm, 35 in.*lbf) 

  5. REPLACE STRAIGHT PIN 
    NOTE:

    If a straight pin is deformed, replace it.

    1. Using a plastic hammer, tap in new straight pins as shown in the illustration.
      GTY733787Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a for Bank 1 *b for Bank 2

      Protrusion height

      17.5 to 19.5 mm (0.689 to 0.768 in.)

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