Cylinder Head Disassembly

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

  1. REMOVE VALVE STEM CAP

  2. REMOVE INTAKE VALVE

  3. REMOVE EXHAUST VALVE

  4. REMOVE VALVE STEM OIL SEAL

  5. REMOVE VALVE SPRING SEAT

  6. REMOVE NO. 2 STRAIGHT SCREW PLUG

Cylinder Head -- Disassembly



1. REMOVE VALVE STEM CAP


    Corolla. Zre142 Aze141

  1. Remove the valve stem caps from the cylinder head.

    HINT:
    Arrange the removed parts in the correct order.


2. REMOVE INTAKE VALVE


    Corolla. Zre142 Aze141.2Zr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

  1. Using SST and wooden blocks, compress and remove the valve retainer locks.

    SST
    09202-70020(09202-00010)
    HINT:
    Arrange the removed parts in the correct order.

  1. Remove the retainer, valve spring and valve.

    HINT:
    Arrange the removed parts in the correct order.


3. REMOVE EXHAUST VALVE


    Corolla. Zre142 Aze141.2Zr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

  1. Using SST and wooden blocks, compress and remove the valve retainer locks.

    SST
    09202-70020(09202-00010)
    HINT:
    Arrange the removed parts in the correct order.

  1. Remove the retainer, valve spring and valve.

    HINT:
    Arrange the removed parts in the correct order.


4. REMOVE VALVE STEM OIL SEAL


    Corolla. Zre142 Aze141

  1. Using needle-nose pliers, remove the oil seals.



5. REMOVE VALVE SPRING SEAT


    Corolla. Zre142 Aze141

  1. Using compressed air and a magnetic pick-up tool, remove the valve spring seats by blowing air onto them.



6. REMOVE NO. 2 STRAIGHT SCREW PLUG


    Corolla. Zre142 Aze141

  1. Using a 10 mm straight hexagon wrench, remove the 3 screw plugs and 3 gaskets.

    NOTICE:
    If water leaks from any of the straight screw plugs or if a plug is corroded, replace it.