Reassembly [09/2022 - ]: Procedure

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INSTALL SPARK PLUG TUBE

HINT:

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

Apply adhesive to 3 new spark plugs tube as shown in the illustration.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Adhesive
*b	Application Width
*c	Distance

Adhesive

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

Standard Application Width

1.0 to 7.0 mm (0.0394 to 0.276 in.)

Distance

1.0 mm (0.0394 in.)

NOTE:

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

Using a wooden block and hammer, tap in the 3 spark plug tubes to the specified protrusion height.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Protrusion Height

Standard Protrusion Height

70.5 to 71.5 mm (2.78 to 2.81 in.)

NOTE:

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

INSTALL STUD BOLT

NOTE:

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

Using an E8 "TORX" socket wrench, install the 7 stud bolts.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	45.5 mm (1.79 in.)
*b	15 mm (0.591 in.)
*c	64 mm (2.52 in.)
*d	30.5 mm (1.20 in.)
*e	13 mm (0.512 in.)
*f	46.9 mm (1.85 in.)

Torque: 19.5 N*m (199 kgf*cm, 14 ft.*lbf)

Using an E8 "TORX" socket wrench, install the 2 stud bolts.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	27 mm (1.06 in.)
*b	13 mm (0.512 in.)
*c	80 mm (3.15 in.)

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

INSTALL STRAIGHT PIN

Using a plastic hammer, tap in 2 new straight pins to the cylinder head sub-assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	8.0 mm (0.315 in.)
*b	5.0 mm (0.197 in.)
*c	Protrusion Height

Standard Protrusion Height

3.0 to 5.0 mm (0.118 to 0.197 in.)

INSTALL NO. 2 STRAIGHT SCREW PLUG

HINT:

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

Apply adhesive to the No. 2 straight screw plug.
Adhesive

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

NOTE:
Install the No. 2 straight screw plug within 3 minutes of applying adhesive.

Using a 10 mm straight hexagon wrench, install the No. 2 straight screw plug to the cylinder head sub-assembly.

Torque: 135 N*m (1377 kgf*cm, 100 ft.*lbf)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL NO. 1 STRAIGHT SCREW PLUG

HINT:

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

Apply adhesive to the 2 No. 1 straight screw plugs.
Adhesive

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

NOTE:
Install the No. 1 straight screw plug within 3 minutes of applying adhesive.

Using a 6 mm straight hexagon wrench, install the 2 No. 1 straight screw plugs and a new gasket to the cylinder head sub-assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf)

INSTALL VALVE SPRING SEAT
1. Install the 12 valve spring seats to the cylinder head sub-assembly.

INSTALL VALVE STEM OIL SEAL

Apply a light coat of engine oil to 12 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.

HINT:

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Intake Valve Stem Oil Seal
*b	Exhaust Valve Stem Oil Seal
*c	Gold
*d	Gray

Using SST, push in the 12 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 seals to be damaged or improperly seated.
Do not push in the valve stem oil seals at an angle.

INSTALL INTAKE VALVE

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

*a	30 mm (1.18 in.) or more

Install the 6 intake valves, 6 intake valve compression springs and 6 valve spring retainers to the cylinder head sub-assembly.
NOTE:
Install the same parts in the same combination to their original locations.

Using SST, compress each intake valve compression spring and install the 6 valve spring retainer locks.

SST: 09202-70020
1. 09202-01010
2. 09202-01020
SST: 09202-00021

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.

INSTALL EXHAUST VALVE

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

*a	30 mm (1.18 in.) or more

Install the 6 exhaust valves, 6 exhaust valve compression springs and 6 valve spring retainers to the cylinder head sub-assembly.
NOTE:
Install the same parts in the same combination to their original locations.

Using SST, compress each exhaust valve compression spring and install the 6 valve spring retainer locks.

SST: 09202-70020
1. 09202-01010
2. 09202-01020
SST: 09202-00021

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.