CYLINDER HEAD REASSEMBLY

CAUTION / NOTICE / HINT

PROCEDURE

1. INSTALL STUD BOLT

   Note

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

   

   Text in Illustration

   *a	Cylinder Head Upper Side	*b	Intake Side
   *c	Front Side	*d	Exhaust Side
   *e	21 mm (0.827 in.)	*f	9.0 mm (0.354 in.)
   *g	34 mm (1.34 in.)	*h	24 mm (0.945 in.)
   *i	13 mm (0.512 in.)	*j	45 mm (1.77 in.)
   *k	20 mm (0.787 in.)	*l	35 mm (1.38 in.)
   *m	14 mm (0.551 in.)	*n	63 mm (2.48 in.)

   
   

   1. Using E6, E7 and E8 "TORX" socket wrenches, install the stud bolts.

      Torque:

      for stud bolt A

      3.0 N*m  { 31 kgf*cm, 27 in.*lbf }

      for stud bolt B

      7.5 N*m  { 76 kgf*cm, 66 in.*lbf }

      for stud bolt C

      7.5 N*m  { 76 kgf*cm, 66 in.*lbf }

      for stud bolt D

      7.5 N*m  { 76 kgf*cm, 66 in.*lbf }

2. INSTALL NO. 1 HEAD STRAIGHT SCREW PLUG

   Note

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

   

   
   

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

      Torque:

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

3. INSTALL NO. 2 HEAD STRAIGHT SCREW PLUG

   Note

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

   

   
   

   1. Using a 19 mm hexagon wrench, install a new gasket and the straight screw plug.

      Torque:

      140 N*m  { 1428 kgf*cm, 103 ft.*lbf }

4. INSTALL VALVE SPRING SEAT

   
   

   1. Install the 16 valve spring seats to the cylinder head.

5. INSTALL VALVE STEM OIL SEAL

   
   
   1. 

      Text in Illustration

      *a	Intake Side
      *b	Exhaust Side
      *c	Gray
      *d	Black

      Apply a light coat of engine oil to new oil seals.

      Note

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

      Tech Tips

      The intake valve oil seals are gray and the exhaust valve oil seals are black.

   2. 

      Text in Illustration

      *1	Valve Stem Oil Seal

      Using SST, push in the 16 oil seals to install them.

      SST

      09201-41020

      Note

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

6. INSTALL INTAKE VALVE

   
   

   1. 

      Text in Illustration

      *a	30 mm (1.18 in.) or more

      Apply plenty of engine oil to the tip area of the intake valve shown in the illustration.

   2. 

      Text in Illustration

      *a	Narrow
      *b	Wide

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

      Note

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

   3. 

      Using SST and wooden blocks, compress the inner compression spring and install the 2 valve spring retainer locks.

      SST

      09202-70020

      09202-00021

   4. 

      Text in Illustration

      *a	5 mm Pin Punch

      Using a 5 mm pin punch and plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.

      Note

      Do not damage the valve stem tip.

7. INSTALL EXHAUST VALVE

   
   

   1. 

      Text in Illustration

      *a	30 mm (1.18 in.) or more

      Apply plenty of engine oil to the tip area of the exhaust valve shown in the illustration.

   2. 

      Text in Illustration

      *a	Narrow
      *b	Wide

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

      Note

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

   3. 

      Using SST and wooden blocks, compress the inner compression spring and install the 2 valve spring retainer locks.

      SST

      09202-70020

      09202-00021

   4. 

      Text in Illustration

      *a	5 mm Pin Punch

      Using a 5 mm pin punch and plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.

      Note

      Do not damage the valve stem tip.