CYLINDER HEAD REASSEMBLY

PROCEDURE


  1. INSTALL SPARK PLUG TUBE

    Tech Tips

    When using a new cylinder head sub-assembly, the spark plug tubes must be replaced.


    1. A01VBMZC01
      *a Application Width
      *b 1.0 to 13.0 mm (0.0394 to 0.512 in.)

      Apply adhesive to a new spark plug tube as shown in the illustration.

      Adhesive
      Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
      Standard Application Width
      1.0 to 3.0 mm (0.0394 to 0.118 in.)

      Note


      • Install the spark plug tube within 3 minutes of applying adhesive.

      • Be careful not to deform the spark plug tube.

      • Be careful not to expose the adhesive to engine oil for at least 1 hour after installing the spark plug tube.

    2. A01VCYLC01
      *a Wooden Block
      *b Protrusion Height

      Using a wooden block and hammer, tap in the spark plug tube to the specified protrusion height.

      Standard Protrusion Height
      122 mm (4.80 in.)

      Note

      To avoid tapping in the spark plug tube too far, measure the protrusion height while tapping it.

  2. INSTALL NO. 2 STRAIGHT SCREW PLUG

    Tech Tips

    If coolant leaks from a No. 2 straight screw plug or a plug is corroded, replace it.


    1. A01VCYI

      Using a 10 mm straight hexagon wrench, install 3 new gaskets and the 3 No. 2 straight screw plugs to the cylinder head sub-assembly.

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

  3. INSTALL VALVE SPRING SEAT


    1. Install the 16 valve spring seats to the cylinder head sub-assembly.

  4. INSTALL VALVE STEM OIL SEAL


    1. A01VBPXC01
      *a Intake Side
      *b Exhaust Side
      *c Gray
      *d Black

      Apply a light coat of engine oil to 16 new valve stem oil seals.

      Note

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

      Tech Tips

      The intake valve stem oil seal is gray and the exhaust valve stem oil seal is black.

    2. A01VCWNC01
      *a Correct
      *b Incorrect

      Using SST, push in the 16 valve stem oil seals.

      SST
      09201-41020

      Note


      • Failure to use SST will cause the intake valve stem oil seal to be damaged or improperly seated.

      • Do not push in the intake valve stem oil seals at an angle.

  5. INSTALL EXHAUST VALVE


    1. A01VC9EC01
      *a 30 mm (1.18 in.) or more

      Sufficiently apply engine oil to the tip area of the exhaust valve shown in the illustration.

    2. A01VBEHC01
      *1 Inner Compression Spring
      *2 Valve Spring Retainer
      *3 Cylinder Head Sub-assembly
      B004PRK Top Side

      Install the 8 exhaust valves, 8 inner compression springs and 8 valve spring retainers to the cylinder head sub-assembly.

      Note


      • Install the inner compression spring with its tapered side facing upward (towards the valve spring retainer).

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

    3. A01VD86C01
      *a Wooden Block

      Using SST and wooden blocks, compress the inner compression spring and install the 8 valve spring retainer locks.

      SST
      09202-70020   ( 09202-01010, 09202-01020 )
      09202-00021
    4. A01VBWCC01
      *a Plastic Hammer
      *b Wooden Block

      Using a plastic 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 valve spring retainer.

  6. INSTALL INTAKE VALVE


    1. A01VCK5C01
      *a 30 mm (1.18 in.) or more

      Sufficiently apply engine oil to the tip area of the intake valve shown in the illustration.

    2. A01VBEHC01
      *1 Inner Compression Spring
      *2 Valve Spring Retainer
      *3 Cylinder Head Sub-assembly
      B004PRK Top Side

      Install the 8 intake valves, 8 inner compression springs and 8 valve spring retainers to the cylinder head sub-assembly.

      Note


      • Install the inner compression spring with its tapered side facing upward (towards the valve spring retainer).

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

    3. A01VBXWC01
      *a Wooden Block

      Using SST and wooden blocks, compress the inner compression spring and install the 8 valve spring retainer locks.

      SST
      09202-70020   ( 09202-01010, 09202-01020 )
      09202-00021
    4. A01VCLFC01
      *a Plastic Hammer
      *b Wooden Block

      Using a plastic 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 valve spring retainer.