Cylinder Head Disassembly

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
2Tr-Fe Engine Mechanical. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. REMOVE INTAKE VALVE

  2. REMOVE EXHAUST VALVE

  3. REMOVE VALVE STEM OIL SEAL

  4. REMOVE VALVE SPRING SEAT

  5. REMOVE NO. 1 HEAD STRAIGHT SCREW PLUG

  6. REMOVE NO. 2 HEAD STRAIGHT SCREW PLUG

  7. REMOVE STUD BOLT

Cylinder Head -- Disassembly



1. REMOVE INTAKE VALVE


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

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

    SST
    09202-70020(09202-00010)

  1. Remove the retainer, compression spring and valve.

    HINT:
    Arrange the removed parts in the correct order.


2. REMOVE EXHAUST VALVE


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

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

    SST
    09202-70020(09202-00010)

  1. Remove the retainer, compression spring and valve.

    HINT:
    Arrange the removed parts in the correct order.


3. REMOVE VALVE STEM OIL SEAL

  1. Using needle-nose pliers, remove the 16 oil seals.



4. REMOVE VALVE SPRING SEAT

  1. Remove the 16 valve spring seats from the cylinder head.



5. REMOVE NO. 1 HEAD STRAIGHT SCREW PLUG

NOTICE:
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
If coolant leaks from a No. 1 head straight screw plug or a plug is corroded, replace it.

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



6. REMOVE NO. 2 HEAD STRAIGHT SCREW PLUG

NOTICE:
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
If coolant leaks from the No. 2 head straight screw plug or the plug is corroded, replace it.

  1. Using a 19 mm hexagon wrench, remove the screw plug and gasket.



7. REMOVE STUD BOLT
NOTICE:
If a stud bolt is deformed or its threads are damaged, replace it.