CYLINDER HEAD > DISASSEMBLY

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1. REMOVE EXHAUST VALVE


HINT:
Type A and Type B can be distinguished by the shape of the compression spring.


A361727E01


Text in Illustration 
*A
Type A
(Compression Spring Shape: Straight)
*B
Type B
(Compression Spring Shape: Tapered)
*1
No. 1 Valve Rocker Arm Sub-assembly
*2
Valve Spring Retainer
*3
Compression Spring
*4
Valve Lash Adjuster Assembly


  1. Type A:



      A194957E01

    1. Using SST and wooden blocks, compress the compression spring and remove the 16 valve spring retainer locks.

      SST
      09202-70020   (09202-00010, 09202-01010, 09202-01020)


  1. Type B:



      A337755E02

    1. Using SST and wooden blocks, compress the compression spring and remove the 16 valve spring retainer locks.

      SST
      09202-00021  
      09202-70020   (09202-01010, 09202-01020)

  1. Remove the 8 valve spring retainers, 8 compression springs and 8 exhaust valves.

    HINT:
    Arrange the removed parts in the correct order.


2. REMOVE INTAKE VALVE


HINT:
Type A and Type B can be distinguished by the shape of the compression spring.


A361727E01


Text in Illustration 
*A
Type A
(Compression Spring Shape: Straight)
*B
Type B
(Compression Spring Shape: Tapered)
*1
No. 1 Valve Rocker Arm Sub-assembly
*2
Valve Spring Retainer
*3
Compression Spring
*4
Valve Lash Adjuster Assembly


  1. Type A:



      A194956E01

    1. Using SST and wooden blocks, compress the compression spring and remove the 16 valve spring retainer locks.

      SST
      09202-70020   (09202-00010, 09202-01010, 09202-01020)


  1. Type B:



      A337754E01

    1. Using SST and wooden blocks, compress the compression spring and remove the 16 valve spring retainer locks.

      SST
      09202-00021  
      09202-70020   (09202-01010, 09202-01020)

  1. Remove the 8 valve spring retainers, 8 compression springs and 8 intake valves.

    HINT:
    Arrange the removed parts in the correct order.


3. REMOVE VALVE STEM OIL SEAL


    A194958

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



4. REMOVE VALVE SPRING SEAT


    A194959

  1. Using compressed air and a Magnet Hand, remove the valve spring seat by blowing air onto it.



5. REMOVE NO. 1 STRAIGHT SCREW PLUG


A194960

NOTICE:
If water leaks from the No. 1 screw plug or the plug is corroded, replace it.

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



6. REMOVE NO. 2 STRAIGHT SCREW PLUG


A194961

NOTICE:
If water leaks from the No. 2 screw plug or the plug is corroded, replace it.

  1. Using a 14 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.