Cylinder Head Reassembly

Engine Hybrid System. Corolla. Zre142 Aze141
2Az-Fe Engine Mechanical. Corolla. Zre142 Aze141

  1. INSTALL RING PIN

  2. INSTALL STUD BOLT

  3. INSTALL NO. 1 STRAIGHT HEAD SCREW PLUG

  4. INSTALL VALVE SPRING SEAT

  5. INSTALL VALVE STEM OIL SEAL

  6. INSTALL INTAKE VALVE

  7. INSTALL EXHAUST VALVE

  8. INSTALL VALVE LIFTER

Cylinder Head -- Reassembly



1. INSTALL RING PIN


Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Using a plastic-faced hammer, tap in a new ring pin to the specified protrusion height.

    Protrusion height:
    3 mm ( 0.118 in.)


2. INSTALL STUD BOLT
NOTICE:
If any stud bolt is deformed or the threads are damaged, replace it.


  1. Using E5 and E7 "TORX" sockets, install the stud bolts.


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly

    Torque:
    Bolt A:
    5.0 N*m{51 kgf*cm, 44 in.*lbf}
    Bolt B:
    5.0 N*m{51 kgf*cm, 44 in.*lbf}
    Bolt C:
    9.5 N*m{97 kgf*cm, 84 in.*lbf}
    Bolt D:
    9.5 N*m{97 kgf*cm, 84 in.*lbf}


3. INSTALL NO. 1 STRAIGHT HEAD SCREW PLUG


    Corolla. Zre142 Aze141
  1. Using a 14 mm straight hexagon wrench, install 2 new gaskets and the 2 straight screw plugs.

    Torque:
    86 N*m{877 kgf*cm, 64 ft.*lbf}


4. INSTALL VALVE SPRING SEAT


    Corolla. Zre142 Aze141
  1. Install the valve spring seats into the cylinder head.



5. INSTALL VALVE STEM OIL SEAL


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Apply a light coat of engine oil to a new oil seal.

    NOTICE:
    Pay close attention when installing the intake and exhaust oil seals. Installing the intake oil seal into the exhaust side or installing the exhaust oil seal into the intake side may cause installation problems later.
    HINT:
    The intake valve oil seal is gray and the exhaust valve oil seal is black.


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Using SST, push in the oil seal.

    SST
    09201-41020
    NOTICE:
    Failure to use SST will cause the seal to be damaged or improperly seated.


6. INSTALL INTAKE VALVE


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Apply a sufficient coat of engine oil to the tip area of the intake valve shown in the illustration.

  1. Install the valve, compression spring and spring retainer to the cylinder head.

    NOTICE:
    Install the same parts in the same combination to the original locations.


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Using SST and wooden blocks, compress the spring and install the 2 retainer locks.

    SST
    09202-70020(09202-00010)


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Using a 5 mm pin punch and plastic hammer, lightly tap the valve stem tip to ensure a proper fit.

    NOTICE:
    Be careful not to damage the valve stem tip.


7. INSTALL EXHAUST VALVE


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Apply a sufficient coat of engine oil to the tip area of the intake valve shown in the illustration.

  1. Install the valve, compression spring and spring retainer to the cylinder head.

    NOTICE:
    Install the same parts in the same combination to the original locations.


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Using SST and wooden blocks, compress the spring and install the 2 retainer locks.

    SST
    09202-70020(09202-00010)


    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Using a 5 mm pin punch and plastic hammer, lightly tap the valve stem tip to ensure a proper fit.

    NOTICE:
    Be careful not to damage the valve stem tip.


8. INSTALL VALVE LIFTER
  1. Apply a light coat of engine oil.



    Corolla. Zre142 Aze141.2Az-Fe Engine Mechanical.Engine.Cylinder Head  Reassembly
  1. Assemble the valve lifter and the tip of the valve stem.

    NOTICE:
    Install the same parts in the same combination to the original locations.