CYLINDER HEAD DISASSEMBLY

PROCEDURE


  1. REMOVE VALVE STEM CAP


    1. Remove the valve stem caps from the cylinder head sub-assembly.

      Tech Tips

      Arrange the removed parts in the correct order.

  2. REMOVE INTAKE VALVE


    1. A01W0H9E01

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

      SST
      09202-70020
      09202-00020

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

      Tech Tips

      Arrange the removed parts in the correct order.

  3. REMOVE EXHAUST VALVE


    1. A01W2EXE01

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

      SST
      09202-70020
      09202-00020

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

      Tech Tips

      Arrange the removed parts in the correct order.

  4. REMOVE VALVE STEM OIL SEAL


    1. A01W17G

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

  5. REMOVE VALVE SPRING SEAT


    1. A01W0T4

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

  6. REMOVE NO. 1 STRAIGHT SCREW PLUG


    1. A01W443E12
      Text in Illustration
      *a for Bank 1
      *b for Bank 2

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

      Note

      If water leaks from a straight screw plug or the plug is corroded, replace it.

  7. REMOVE NO. 2 STRAIGHT SCREW PLUG


    1. A01W3EGE01
      Text in Illustration
      *a for Bank 1
      *b for Bank 2

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

      Note

      If water leaks from a straight screw plug or the plug is corroded, replace it.