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.

   
   

   1. Using E8 and E10 "TORX" socket wrenches, install the stud bolts.

      

      *a	RH side	*b	LH Side
      *c	Front Side	*d	16.7 mm (0.657 in.)
      *e	51.7 mm (2.04 in.)	*f	23 mm (0.906 in.)
      *g	15 mm (0.591 in.)	*h	40 mm (1.57 in.)
      *i	26.5 mm (1.04 in.)	*j	20 mm (0.787 in.)
      *k	50 mm (1.97 in.)	*l	26 mm (1.02 in.)

      Torque:

      Stud Bolt (A)

      9.0 N*m  { 92 kgf*cm, 80 in.*lbf }

      Stud Bolt (B), (C)

      22 N*m  { 224 kgf*cm, 16 ft.*lbf }

2. INSTALL NO. 1 STRAIGHT SCREW PLUG

   Note

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

   
   

   1. Using a 14 mm hexagon wrench, install 6 new gaskets and the 6 No. 1 straight screw plugs.

      Torque:

      135 N*m  { 1377 kgf*cm, 100 ft.*lbf }

3. INSTALL VALVE SPRING SEAT

   
   

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

4. INSTALL VALVE STEM OIL SEAL

   
   
   1. 

      *a	Intake Side
      *b	Exhaust Side
      *c	Brown
      *d	Gray
      *e	"NOK" Mark

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

      Note

      Make sure to install each valve stem oil seal to the correct side. Installing an intake valve stem oil seal to the exhaust side or installing an exhaust valve stem oil seal to the intake side can cause installation problems later.

      Tech Tips

      The intake valve stem oil seals are brown and the exhaust valve stem oil seals are gray.

   2. 

      *a	Correct
      *b	Incorrect

      Using SST, push in the intake valve stem oil seals and exhaust valve stem oil seals.

      SST

      09201-41020

      Note

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

5. INSTALL INTAKE VALVE

   
   

   1. 

      *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. 

      *a	Identification Color (Type A: White) (Type B: Green)
      	Upper Side

      Install the intake valve, compression spring and valve spring retainer to the cylinder head sub-assembly.

      Note

      
      

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

      • The compression spring has a different identification color for the intake side and exhaust side.

        Make sure to check the color before installation.

      • Use only type A or only type B compression springs. Do not mix type A and type B compression springs.

      Tech Tips

      Type A and Type B can be distinguished by the paint mark of the intake side compression spring.

   3. 

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

      SST

      09202-70020

      09202-00021

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

      Note

      Be careful not to damage the valve spring retainer.

6. INSTALL EXHAUST VALVE

   
   

   1. 

      *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. 

      *a	Identification Color (Purple)
      	Upper Side

      Install the exhaust valve, compression spring and valve spring retainer to the cylinder head sub-assembly.

      Note

      
      

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

      • The compression spring has a different identification color for the intake side and exhaust side.

        Make sure to check the color before installation.

   3. 

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

      SST

      09202-70020

      09202-00021

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

      Note

      Be careful not to damage the valve spring retainer.