CYLINDER HEAD REASSEMBLY

CAUTION / NOTICE / HINT

Tech Tips

Perform "Inspection After Repairs" after replacing the cylinder head sub-assembly Click here.

PROCEDURE


  1. INSTALL STUD BOLT

    Note

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


    1. Using an E8 "TORX" socket, install the stud bolts.

      A0053I9E03
      Torque:
      9.5 N*m  { 97 kgf*cm, 84 in.*lbf }

  2. INSTALL NO. 2 STRAIGHT SCREW PLUG

    Note

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

    A0053UU

    1. Using a 10 mm straight hexagon wrench, install 3 new gaskets and the 3 straight screw plugs.

      Torque:
      44 N*m  { 449 kgf*cm, 32 ft.*lbf }

  3. INSTALL VALVE SPRING SEAT


    1. Install the valve spring seats to the cylinder head.

  4. INSTALL VALVE STEM OIL SEAL


    1. Apply a light coat of engine oil to a new oil seal.

      A005884E02

      Note

      Pay close attention when installing the intake and exhaust oil seals. For example, installing the intake oil seal to the exhaust side or installing the exhaust oil seal to the intake side can cause installation problems later.

      Tech Tips


      • for Intake Side:

        The intake side valve stem oil seals is gray or green.

      • for Exhaust Side:

        The exhaust side valve stem oil seals is black or brown.

    2. A0054MME06
      *1 CORRECT
      *2 INCORRECT

      Using SST, push on the oil seal.

      SST
      09201-41020

      Note

      Failure to use SST will cause the seal to be damaged or improperly seated.

  5. INSTALL INTAKE VALVE


    1. Place the cylinder head on wooden blocks.

    2. A005721E02
      *1 30 mm or more

      Apply engine oil to each valve over an area 30 mm (1.18 in.) or more from its tip, as shown in the illustration.

    3. A0054S8E01
      *1 Narrow
      *2 Wide

      Install the valve, compression spring and spring retainer to the cylinder head.

      Note

      Install the same parts in the same combination to the original locations.

    4. A0058IKE02

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

      SST
      09202-70020
      09202-00021
    5. A00544A

      Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.

      Note


      • Be careful not to damage the valve stem tip.

      • Be careful not to damage the retainer.

  6. INSTALL EXHAUST VALVE


    1. Place the cylinder head on wooden blocks.

    2. A0052Z1E02
      *1 30 mm or more

      Apply engine oil to each valve over an area 30 mm (1.18 in.) or more from its tip, as shown in the illustration.

    3. A0057K5E01
      *1 Narrow
      *2 Wide

      Install the valve, compression spring and spring retainer to the cylinder head.

      Note

      Install the same parts in the same combination to the original locations.

    4. A0057RXE02

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

      SST
      09202-70020
      09202-00021
    5. A005917

      Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.

      Note


      • Be careful not to damage the valve stem tip.

      • Be careful not to damage the retainer.