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Home >> Toyota >> 2016 >> Corolla S, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical (2ZR-FAE) - Service Information (2 Of 2) (Model Code: ZRE172)) >> Cylinder Head >> Replacement [08/2013 - ] >> Procedure

Replacement [08/2013 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. REPLACE INTAKE VALVE GUIDE BUSH 
    1. Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
    2. Place the cylinder head sub-assembly on wooden blocks.
    3. Using SST and a hammer, tap out the intake valve guide bush.
      GTY425436Courtesy 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 sub-assembly.
      GTY440496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Bush Bore Diameter

      10.285 to 10.306 mm (0.405 to 0.406 in.)

      Select New Guide Bush

      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 intake valve guide bush bore diameter of the cylinder head sub-assembly is more than 10.306 mm (0.406 in.), machine the intake valve guide bush bore to a diameter of 10.335 to 10.356 mm (0.407 to 0.408 in.) in order to install an O/S 0.05 intake valve guide bush. If the intake valve guide bush bore diameter of the cylinder head sub-assembly is more than 10.356 mm (0.408 in.), replace the cylinder head sub-assembly.

    5. Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
    6. Place the cylinder head sub-assembly on wooden blocks.
    7. Using SST and a hammer, tap in a new intake valve guide bush to the specified protrusion height.
      GTY423424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Height
      • SST: 09201-10000 
        1. 09201-01050
      • SST: 09950-70010 
        1. 09951-07100

      Standard Protrusion Height

      9.9 to 10.3 mm (0.390 to 0.406 in.)

    8. Using a sharp 5.5 mm reamer, ream the intake valve guide bush to obtain the standard clearance between the intake valve guide bush and valve stem.
      GTY164429Courtesy 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 sub-assembly to 80 to 100°C (176 to 212°F).
    2. Place the cylinder head sub-assembly on wooden blocks.
    3. Using SST and a hammer, tap out the exhaust valve guide bush.
      GTY425754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • 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 sub-assembly.
      GTY161281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Bush Bore Diameter

      10.285 to 10.306 mm (0.405 to 0.406 in.)

      Select New Guide Bush

      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 exhaust valve guide bush bore diameter of the cylinder head sub-assembly is more than 10.306 mm (0.406 in.), machine the exhaust valve guide bush bore to a diameter of 10.335 to 10.356 mm (0.407 to 0.408 in.) in order to install an O/S 0.05 exhaust valve guide bush. If the exhaust valve guide bush bore diameter of the cylinder head sub-assembly is more than 10.356 mm (0.408 in.), replace the cylinder head sub-assembly.

    5. Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
    6. Place the cylinder head sub-assembly on wooden blocks.
    7. Using SST and a hammer, tap in a new exhaust valve guide bush to the specified protrusion height.
      GTY441662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Height
      • SST: 09201-10000 
        1. 09201-01050
      • SST: 09950-70010 
        1. 09951-07100

      Standard Protrusion Height

      11.15 to 11.55 mm (0.439 to 0.455 in.)

    8. Using a sharp 5.5 mm reamer, ream the exhaust valve guide bush to obtain the standard oil clearance between the exhaust valve guide bush and valve stem.
      GTY164430Courtesy 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 a ring pin unless it is being replaced.

    1. Remove the ring pins.
    2. Using a plastic hammer, tap in new ring pins to the specified protrusion height.
      GTY432818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protrusion Height
      *b Height
      *c Width

      Standard Ring Pin

      Item Height Width Protrusion
      Ring pin 11.7 to 12.3 mm (0.461 to 0.484 in.) 12.0 mm (0.472 in.) 6.5 to 7.5 mm (0.256 to 0.295 in.)
  4. REPLACE STUD BOLT 
    NOTE:

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

    1. Using an E8 "TORX" socket, install the stud bolts.
      GTY444552Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Intake Side *b Exhaust Side

      Torque: 9.5 N*m (97 kgf*cm, 84 in.*lbf) 

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