Reassembly [10/2017 - ]: Procedure

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INSTALL SPARK PLUG TUBE

NOTE:

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

Apply adhesive onto the shaded area of a new spark plug tube.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	9.0 to 15.0 mm (0.354 to 0.591 in.)
*b	Standard Application Width

Adhesive

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent.

Standard application width

1.0 to 3.0 mm (0.0394 to 0.1181 in.)

NOTE:

Install the spark plug tube within 3 minutes after applying adhesive.
Be careful not to deform the spark plug tube.
Be careful not to expose the seal to coolant for at least 1 hour after installing it.

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Standard Protrusion Height
*b	Cylinder Head Casting Surface

Standard protrusion height

75.1 to 76.1 mm (2.96 to 3.00 in.)

NOTE:

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

INSTALL NO. 1 STRAIGHT SCREW PLUG
1. Apply adhesive to the No. 1 straight screw plug of the cylinder head.
  Adhesive
  
  Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
  
  NOTE:
  Install the No. 1 straight screw plug within 3 minutes after applying adhesive.
2. Using a 10 mm hexagon wrench, install 4 new gaskets and the 4 No. 1 straight screw plugs.
  Torque: 44 N.m (449 kgf/cm, 32 ft.lbf)
INSTALL NO. 2 STRAIGHT SCREW PLUG
1. Using a 14 mm hexagon wrench, install 2 new gaskets and the 2 No. 2 straight screw plugs.
  Torque: 80 N.m (816 kgf/cm, 59 ft.lbf)
INSTALL NO. 3 STRAIGHT SCREW PLUG
1. Apply adhesive to the No. 3 straight screw plug of the cylinder head.
  Adhesive
  
  Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
  
  NOTE:
  Install the No. 3 straight screw plug within 3 minutes after applying adhesive.
2. Using a 10 mm hexagon wrench, install 8 new gaskets and the 8 No. 3 straight screw plugs.
  Torque: 65 N.m (663 kgf/cm, 48 ft.lbf)

INSTALL UNION

Apply adhesive to the union of the cylinder head.
Adhesive

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

NOTE:
Install the union within 3 minutes after applying adhesive.

Using a union nut wrench (12 mm), install the union to the cylinder head as shown in the illustration.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*A	for Bank 1	*B	for Bank 2
*a	55 mm (2.17 in.)	*b	30 mm (1.18 in.)

Specified tightening torque

Torque: 14.7 N.m (150 kgf/cm, 11 ft.lbf)

HINT:

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench (Refer to TORQUE SPECIFICATIONS [10/2017 - 09/2020] , or refer to TORQUE SPECIFICATIONS [09/2020 - ] ).

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Torque Wrench Fulcrum Length

When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 300 mm (11.8 in.)): 13.8 N.m (141 kgf/cm, 10 ft.lbf)

INSTALL STUD BOLT

NOTE:

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

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Intake Side (for Bank 1)	*b	Intake Side (for Bank 2)
*c	Exhaust Side (for Bank 1)	*d	Exhaust Side (for Bank 2)
*e	Rear Side (for Bank 1)	*f	Rear Side (for Bank 2)
*g	26 or 31 mm (1.02 or 1.22 in.)	*h	16 or 16.7 mm (0.63 or 0.66 in.)
*i	51.7 or 56 mm (2.04 or 2.20 in.)	*j	20 mm (0.79 in.)
*k	13 mm (0.51 in.)	*l	35 mm (1.38 in.)
*m	16 mm (0.63 in.)	*n	9 mm (0.35 in.)
*o	27 mm (1.02 in.)	-	-

for stud bolt A, B

Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)

for stud bolt C

Torque: 4.0 N.m (41 kgf/cm, 35 in.lbf)

INSTALL VALVE SPRING SEAT
1. Install the valve spring seats to the cylinder head.

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

NOTE:

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

HINT:

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

Using SST, push in the oil seals.

*a	CORRECT
*b	INCORRECT

SST: 09201-41020

NOTE:

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

INSTALL EXHAUST VALVE

Apply a sufficient coat of engine oil to the tip area of the exhaust valve shown in the illustration.

*a	40 mm (1.57 in.) or more

Install the exhaust valve, inner compression spring and valve spring retainer to the cylinder head.
NOTE:
Install the same parts in the same combination to their original locations.

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

SST: 09202-70020
1. 09202-01010
2. 09202-01020
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 retainer.

INSTALL INTAKE VALVE

Apply a sufficient coat of engine oil to the tip area of the intake valve shown in the illustration.

*a	40 mm (1.57 in.) or more

Install the intake valve, inner compression spring and valve spring retainer to the cylinder head.
NOTE:
Install the same parts in the same combination to their original locations.

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

SST: 09202-70020
1. 09202-01010
2. 09202-01020
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 retainer.