CYLINDER HEAD REASSEMBLY
PROCEDURE
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INSTALL SPARK PLUG TUBE
Note
When using a new cylinder head, the spark plug tubes must be replaced.
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*a 1.0 to 3.0 mm (0.0394 to 0.118 in.) *b 1.0 to 13.0 mm (0.0394 to 0.512 in. ) Apply adhesive to the shaded area of a new spark plug tube.
Adhesive Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent Standard Application Width 1.0 to 3.0 mm (0.0394 to 0.118 in.) Note
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Install the spark plug tube within 3 minutes of applying adhesive.
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Be careful not to deform the spark plug tube.
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Be careful not to expose the adhesive to coolant for at least 1 hour after installing the spark plug tube.
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*a Cylinder Head Casting Surface Using a wooden block and a hammer, tap in the spark plug tube to the specified protrusion height.
Standard Protrusion Height 122 mm (4.80 in.) Note
To avoid tapping in the spark plug tube too far, measure the protrusion height while tapping it.
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INSTALL STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
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Using an E8 "TORX" socket, install the stud bolts.
*a Intake Side *b Exhaust Side - Torque:
- 9.5 N*m { 97 kgf*cm, 84 in.*lbf }
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INSTALL NO. 2 STRAIGHT SCREW PLUG
Note
If water leaks from the No. 2 straight screw plug or the plug is corroded, replace it.
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Using a 10 mm straight hexagon wrench, install 3 new gaskets and the 3 No. 2 straight screw plugs.
- Torque:
- 44 N*m { 449 kgf*cm, 32 ft.*lbf }
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INSTALL VALVE SPRING SEAT
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Install the valve spring seats to the cylinder head.
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INSTALL VALVE STEM OIL SEAL
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*a Intake Side *b Exhaust Side *c Gray *d Black Apply a light coat of engine oil to a new valve stem oil seal.
Note
Pay close attention when installing the intake and exhaust 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.
Tech Tips
The intake valve oil seal is gray and the exhaust valve stem oil seal is black.
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*a Correct *b Incorrect Using SST, push on the valve stem oil seal.
- SST
- 09201-41020
Note
Failure to use SST will cause the oil seal to be damaged or improperly seated.
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INSTALL INTAKE VALVE
Tech Tips
Type A and Type B can be distinguished by the shape of the compression spring.
Type Compression Spring Shape A Straight B Tapered 
*A Type A *B Type B *1 No. 1 Valve Rocker Arm Sub-assembly *2 Valve Spring Retainer *3 Compression Spring *4 Valve Lash Adjuster Assembly
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Type A:
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Place the cylinder head on wooden blocks.
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*a 30 mm (1.18 in.) or more Apply engine oil to the tip area of the intake valve as shown in the illustration.
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Install the intake valve, compression spring and valve spring retainer to the cylinder head.
Note
Install the same parts in the same combination to the original locations.
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Using SST, compress the spring and install the 2 valve retainer lock halves.
- SST
- 09202-70020 ( 09202-00010 )
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Using a plastic hammer, lightly tap the valve stem tip to ensure a proper fit.
Note
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Be careful not to damage the valve stem tip.
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Be careful not to damage the retainer.
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Type B:
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Place the cylinder head on wooden blocks.
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*a 30 mm (1.18 in.) or more Apply engine oil to the tip area of the intake valve as shown in the illustration.
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*1 Compression Spring *2 Valve Spring Retainer *3 Cylinder Head *4 Upper Side Install the intake valve, compression spring and valve spring retainer to the cylinder head.
Note
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Install the compression spring with its taperside facing upward (towards the valve spring retainer).
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Install the same parts in the same combination to the original locations.
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*a Wooden Block Using SST, compress the spring and install the 2 valve retainer lock halves.
- SST
- 09202-70020
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Using a plastic hammer, lightly tap the valve stem tip to ensure a proper fit.
Note
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Be careful not to damage the valve stem tip.
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Be careful not to damage the retainer.
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INSTALL EXHAUST VALVE
Tech Tips
Type A and Type B can be distinguished by the shape of the compression spring.
Type Compression Spring Shape A Straight B Tapered
*A Type A *B Type B *1 No. 1 Valve Rocker Arm Sub-assembly *2 Valve Spring Retainer *3 Compression Spring *4 Valve Lash Adjuster Assembly
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Type A:
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Place the cylinder head on wooden blocks.
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*a 30 mm (1.18 in.) or more Apply engine oil to the tip area of the exhaust valve as shown in the illustration.
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Install the exhaust valve, compression spring and valve spring retainer to the cylinder head.
Note
Install the same parts in the same combination to the original locations.
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Using SST, compress the spring and install the 2 valve retainer lock halves.
- SST
- 09202-70020 ( 09202-00010 )
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Using a plastic hammer, lightly tap the valve stem tip to ensure a proper fit.
Note
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Be careful not to damage the valve stem tip.
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Be careful not to damage the retainer.
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Type B:
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Place the cylinder head on wooden blocks.
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*a 30 mm (1.18 in.) or more Apply engine oil to the tip area of the exhaust valve as shown in the illustration.
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*1 Compression Spring *2 Valve Spring Retainer *3 Cylinder Head *4 Upper Side Install the exhaust valve, compression spring and valve spring retainer to the cylinder head.
Note
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Install the compression spring with its taperside facing upward (towards the valve spring retainer).
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Install the same parts in the same combination to the original locations.
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*a Wooden Block Using SST, compress the spring and install the 2 valve retainer lock halves.
- SST
- 09202-70020
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Using a plastic hammer, lightly tap the valve stem tip to ensure a proper fit.
Note
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Be careful not to damage the valve stem tip.
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Be careful not to damage the retainer.
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