Cylinder Head Replacement

Двигатель. Toyota Rav4. Aca30, 33, 38 Ala30

  1. REPLACE INTAKE VALVE GUIDE BUSH

  2. REPLACE EXHAUST VALVE GUIDE BUSH

  3. REPLACE STUD BOLT

  4. REPLACE RING PIN

Cylinder Head -- Replacement



1. REPLACE INTAKE VALVE GUIDE BUSH


    Toyota Rav4. Aca30, 33, 38 Ala30
  1. Heat the cylinder head to 80 to 100°C (176 to 212°F).

  1. Place the cylinder head on wooden blocks.



    Toyota Rav4. Aca30, 33, 38 Ala30.Механическая Часть Двигателя 2Az-Fe.Двигатель.Cylinder Head  Replacement
  1. Using SST and a hammer, tap out the guide bush.

    Специальный инструмент (SST):
    09201-10000(09201-01050)
    09950-70010(09951-07100)


    Toyota Rav4. Aca30, 33, 38 Ala30
  1. Heat the cylinder head to 80 to 100°C (176 to 212°F).

  1. Place the cylinder head on wooden blocks.



    Toyota Rav4. Aca30, 33, 38 Ala30
  1. Using a caliper gauge, measure the bush bore diameter of the cylinder head.

    Standard diameter:
    10.285 to 10.306 mm (0.4049 to 0.4058 in.)
    If the bush bore diameter of the cylinder head is greater than 10.306 mm (0.4058 in.), machine the bush bore to the dimension of 10.335 to 10.365 mm (0.4068 to 0.4077 in.).
    Standard valve guide bush diameter:
    Condition
    Specified Condition
    STD
    10.333 to 10.344 mm (0.4068 to 0.4072 in.)
    O/S
    (0.05 mm)
    10.383 to 10.394 mm (0.4088 to 0.4092 in.)
    If the bushing bore diameter of the cylinder head is greater than 10.394 mm (0.4092 in.), replace the cylinder head.


    Toyota Rav4. Aca30, 33, 38 Ala30.Механическая Часть Двигателя 2Az-Fe.Двигатель.Cylinder Head  Replacement
  1. Using SST and a hammer, tap in a new guide bush to the specified protrusion height.

    Специальный инструмент (SST):
    09201-10000(09201-01050)
    09950-70010(09951-07100)
    Standard protrusion height:
    9.6 to 10.0 mm (0.378 to 0.394 in.)


    Toyota Rav4. Aca30, 33, 38 Ala30
  1. Using a sharp 5.5 mm reamer, ream the valve guide bush to the standard specified clearance between the valve guide bush and valve stem.

    Standard oil clearance:
    0.025 to 0.060 mm (0.0010 to 0.0024 in.)


2. REPLACE EXHAUST VALVE GUIDE BUSH


    Toyota Rav4. Aca30, 33, 38 Ala30
  1. Heat the cylinder head to 80 to 100°C (176 to 212°F).

  1. Place the cylinder head on wooden blocks.



    Toyota Rav4. Aca30, 33, 38 Ala30.Механическая Часть Двигателя 2Az-Fe.Двигатель.Cylinder Head  Replacement
  1. Using SST and a hammer, tap out the guide bush.

    Специальный инструмент (SST):
    09201-10000(09201-01050)
    09950-70010(09951-07100)


    Toyota Rav4. Aca30, 33, 38 Ala30.Механическая Часть Двигателя 2Az-Fe.Двигатель.Cylinder Head  Replacement
  1. Heat the cylinder head to 80 to 100°C (176 to 212°F).

  1. Place the cylinder head on wooden blocks.



    Toyota Rav4. Aca30, 33, 38 Ala30
  1. Using a caliper gauge, measure the bush bore diameter of the cylinder head.

    Standard diameter:
    10.285 to 10.306 mm (0.4049 to 0.4058 in.)
    If the bush bore diameter of the cylinder head is greater than 10.306 mm (0.4058 in.), machine the bush bore to the dimension of 10.335 to 10.365 mm (0.4068 to 0.4077 in.).
    Standard valve guide bush diameter:
    Condition
    Specified Condition
    STD
    10.333 to 10.344 mm (0.4068 to 0.4072 in.)
    O/S
    (0.05 mm)
    10.383 to 10.394 mm (0.4088 to 0.4092 in.)
    If the bushing bore diameter of the cylinder head is greater than 10.394 mm (0.4092 in.), replace the cylinder head.


    Toyota Rav4. Aca30, 33, 38 Ala30.Механическая Часть Двигателя 2Az-Fe.Двигатель.Cylinder Head  Replacement
  1. Using SST and a hammer, tap in a new guide bush to the specified protrusion height.

    Специальный инструмент (SST):
    09201-10000(09201-01050)
    09950-70010(09951-07100)
    Standard protrusion height:
    9.6 to 10.0 mm (0.378 to 0.394 in.)


    Toyota Rav4. Aca30, 33, 38 Ala30
  1. Using a sharp 5.5 mm reamer, ream the valve guide bush to the standard specified clearance between the valve guide bush and valve stem.

    Standard oil clearance:
    0.030 to 0.065 mm (0.0012 to 0.0026 in.)


3. REPLACE STUD BOLT
ПРИМЕЧАНИЕ:
If the stud bolt is deformed or threads are damaged, replace it.
  1. Using E5 and E7 "torx" socket wrenches, remove the 11 stud bolts.



  1. Using E5 and E7 "torx" socket wrenches, install the 11 stud bolts.


    Toyota Rav4. Aca30, 33, 38 Ala30.Механическая Часть Двигателя 2Az-Fe.Двигатель.Cylinder Head  Replacement



4. REPLACE RING PIN
ПРИМЕЧАНИЕ:
It is not necessary to remove with head pin unless it is being replaced.
  1. Remove the 4 ring pins.



    Toyota Rav4. Aca30, 33, 38 Ala30.Механическая Часть Двигателя 2Az-Fe.Двигатель.Cylinder Head  Replacement
  1. Using a plastic-faced hammer, tap in 4 new ring pins to the specified protrusion height.

    Protrusion height:
    3.0 mm (0.12 in.)