Cylinder Head Disassembly

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
1Gr-Fe Engine Mechanical. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. REMOVE VALVE

  2. REMOVE VALVE SPRING SEAT

  3. REMOVE VALVE STEM OIL SEAL

  4. REMOVE NO. 1 STRAIGHT SCREW PLUG

  5. REMOVE NO. 2 STRAIGHT SCREW PLUG

  6. REMOVE STUD BOLT

Cylinder Head -- Disassembly



1. REMOVE VALVE


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-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)
    Text in Illustration
    *1
    		Wooden Block
    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.


2. REMOVE VALVE SPRING SEAT


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

  1. Using compressed air and a magnet hand, remove the valve spring seats by blowing air onto them.



3. REMOVE VALVE STEM OIL SEAL


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

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



4. REMOVE NO. 1 STRAIGHT SCREW PLUG


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly
NOTICE:
If coolant leaks from a straight screw plug or a plug is corroded, replace it.

  1. Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 gaskets.

    Text in Illustration
    *A
    		for Bank 1
    *B
    		for Bank 2


5. REMOVE NO. 2 STRAIGHT SCREW PLUG


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly
NOTICE:
If coolant leaks from a straight screw plug or a plug is corroded, replace it.

  1. Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 gaskets.

    Text in Illustration
    *A
    		for Bank 1
    *B
    		for Bank 2


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