Cylinder Head -- Reassembly |
| 1. INSTALL UNION |
- NOTICE:
- If a union is deformed, replace it.
Apply adhesive to 2 or 3 threads of the bolt ends of unions.
- Adhesive:
- Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
Using a 12 mm deep socket wrench, install the 2 unions.
- Torque:
- 15 N*m{150 kgf*cm, 11 ft.*lbf}
Text in Illustration *a Front Side of RH *b Intake Side of LH
| 2. INSTALL STUD BOLT |
- NOTICE:
- If a stud bolt is deformed or its threads are damaged, replace it.
Using E6 and E8 "TORX" sockets, install the stud bolts.
- Torque:
- for bolt A:
- 10 N*m{102 kgf*cm, 7 ft.*lbf}
- for bolt B:
- 4.0 N*m{41 kgf*cm, 35 in.*lbf}
Text in Illustration *a Intake Side of RH *b Intake Side of LH *c Exhaust Side of RH *d Exhaust Side of LH *e Rear Side of RH *f Rear Side of LH
| 3. INSTALL NO. 2 STRAIGHT SCREW PLUG |
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}
| 4. INSTALL NO. 1 STRAIGHT SCREW PLUG |
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}
| 5. INSTALL VALVE SPRING SEAT |
Install the valve spring seats to the cylinder head.
| 6. INSTALL VALVE STEM OIL SEAL |
Apply a light coat of engine oil to new valve stem oil seals.
Text in Illustration *1 Gray *2 Black *a Intake Side *b Exhaust Side - NOTICE:
- 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.
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Using SST, push in the oil seals.
- SST
- 09201-41020
Text in Illustration *a CORRECT *b INCORRECT - NOTICE:
- Failure to use SST will cause the seal to be damaged or improperly seated.
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| 7. INSTALL INTAKE VALVE |
Apply a sufficient coat of engine oil to the tip area of the intake valve shown in the illustration.
Text in Illustration *a 30 mm (1.18 in.) or more
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Install the intake valve, inner compression spring and valve spring retainer to the cylinder head.
- NOTICE:
- 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(09202-00010)
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Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
- NOTICE:
- Be careful not to damage the retainer.
| 8. INSTALL EXHAUST VALVE |
Apply a sufficient coat of engine oil to the tip area of the exhaust valve shown in the illustration.
Text in Illustration *a 30 mm (1.18 in.) or more
 |
Install the exhaust valve, inner compression spring and valve spring retainer to the cylinder head.
- NOTICE:
- Install the same parts in the same combination to the original locations.
Using SST, compress the inner compression spring and install the 2 valve spring retainer locks.
- SST
- 09202-70020(09202-00010)
 |
Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
- NOTICE:
- Be careful not to damage the retainer.