CYLINDER HEAD DISASSEMBLY

PROCEDURE


  1. REMOVE EXHAUST VALVE


    1. A01OCFYN01

      Using SST, compress the 8 inner compression springs and remove the 8 valve spring retainer locks.

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

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

      Tech Tips

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  2. REMOVE INTAKE VALVE


    1. A01OCQ1N01

      Using SST, compress the 8 inner compression springs and remove the 8 valve spring retainer locks.

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

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

      Tech Tips

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  3. REMOVE INTAKE VALVE STEM OIL SEAL


    1. A01OCTP

      Using needle-nose pliers, remove the 8 intake valve stem oil seals.

  4. REMOVE EXHAUST VALVE STEM OIL SEAL


    1. Using needle-nose pliers, remove the 8 exhaust valve stem oil seals.

  5. REMOVE VALVE SPRING SEAT


    1. A01O9QOC02
      *a Air Gun
      *b Magnet Hand

      Using compressed air and a Magnet Hand, remove the 16 valve spring seats by blowing air onto them.

  6. REMOVE NO. 1 STRAIGHT SCREW PLUG

    Note

    If coolant leaks from a No. 1 straight screw plug or a No. 1 straight screw plug is corroded, replace it.


    1. A01OCIO

      Using a 10 mm hexagon wrench, remove the 3 No. 1 straight screw plugs and 3 cylinder head screw plug gaskets.

  7. REMOVE STUD BOLT

    Note

    If a stud bolt is deformed or its threads are damaged, replace it.