Reassembly [08/2015 - ]: Procedure

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INSTALL STUD BOLT

NOTE:

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

Using an E8 and E10 "TORX" socket wrench, install the stud bolts.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Intake side	*b	Exhaust Side
*c	Front Side	*d	16.7 mm (0.658 in.)
*e	51.7 mm (2.04 in.)	*f	23 mm (0.906 in.)
*g	15 mm (0.591 in.)	*h	40 mm (1.58 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.)

for stud bolt A

Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf)

for stud bolt B, C

Torque: 22 N.m (224 kgf/cm, 16 ft.lbf)

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 straight hexagon wrench, install 6 new gaskets and the 6 No. 1 straight screw plugs.
  Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf)
INSTALL VALVE SPRING SEAT
1. Install the valve spring seats to the cylinder head sub-assembly.

INSTALL VALVE STEM OIL SEAL

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

NOTE:

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

HINT:

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

Using SST, push in the valve stem oil seals.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	CORRECT
*b	INCORRECT

SST: 09201-41020

NOTE:

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

INSTALL INTAKE VALVE

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	30 mm (1.18 in.) or more

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Paint Mark (Green)
	Upper Side

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.
Confirm the color during installation.

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

SST: 09202-70020
SST: 09202-00021

Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
NOTE:
Be careful not to damage the valve spring retainer.

INSTALL EXHAUST VALVE

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

*a	30 mm (1.18 in.) or more

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

*a	Paint Mark (Light blue or Purple)
	Upper Side

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.
Confirm the color during installation.

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

SST: 09202-70020
SST: 09202-00021

Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
NOTE:
Be careful not to damage the valve spring retainer.