Cylinder Head Disassembly


  1. REMOVE INTAKE VALVE

  2. REMOVE EXHAUST VALVE

  3. REMOVE VALVE STEM OIL SEAL

  4. REMOVE VALVE SPRING SEAT

  5. REMOVE NO. 1 STRAIGHT SCREW PLUG

  6. REMOVE NO. 2 STRAIGHT SCREW PLUG

  7. REMOVE STUD BOLT

Cylinder Head -- Disassembly



1. REMOVE INTAKE VALVE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

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

    SST
    09202-70020(09202-00010)

  1. Remove the valve spring retainer, inner compression spring and intake valve.

    HINT:
    Arrange the removed parts in the correct order.


2. REMOVE EXHAUST VALVE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

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

    SST
    09202-70020(09202-00010)

  1. Remove the valve spring retainer, inner compression spring and exhaust valve.

    HINT:
    Arrange the removed parts in the correct order.


3. REMOVE VALVE STEM OIL SEAL


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155

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



4. REMOVE VALVE SPRING SEAT


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155

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



5. REMOVE NO. 1 STRAIGHT SCREW PLUG


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

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

    Text in Illustration
    *A
    		RH
    *B
    		LH
    NOTICE:
    If coolant leaks from a straight screw plug or a plug is corroded, replace it.


6. REMOVE NO. 2 STRAIGHT SCREW PLUG


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Gr-Fe Engine Mechanical.Engine.Cylinder Head Disassembly

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

    Text in Illustration
    *A
    		RH
    *B
    		LH
    NOTICE:
    If coolant leaks from a straight screw plug or a plug is corroded, replace it.


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