Reassembly
1GR-FE ENGINE MECHANICAL: CYLINDER HEAD: REASSEMBLY
1. INSTALL STUD BOLT
NOTICE:
If a stud bolt is deformed or its threads are damaged, replace it.
(a) Using E6 and E8 "TORX" sockets, install the stud bolts.
for bolt A - Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)
for bolt B - Torque : 4.0 Nm (41 kgf-cm, 35 in-lbf)
Text in Illustration
2. INSTALL NO. 2 STRAIGHT SCREW PLUG
(a) Using a 14 mm hexagon wrench, install 2 new gaskets and the 2 No. 2 straight screw plugs.
Torque : 80 Nm (816 kgf-cm, 59 ft-lbf)
3. INSTALL NO. 1 STRAIGHT SCREW PLUG
(a) Using a 10 mm hexagon wrench, install 4 new gaskets and the 4 No. 1 straight screw plugs.
Torque : 44 Nm (449 kgf-cm, 32 ft-lbf)
4. INSTALL VALVE SPRING SEAT
(a) Install the valve spring seats to the cylinder head.
5. INSTALL VALVE STEM OIL SEAL
(a) Apply a light coat of engine oil to new valve stem oil seals.
Text in Illustration
HINT
The intake valve oil seals are gray and the exhaust valve oil seals are black.
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.
(b) Using SST, push in the oil seals.
SST : 09201-41020
Text in Illustration
NOTICE:
Failure to use SST will cause the seal to be damaged or improperly seated.
6. INSTALL INTAKE VALVE
(a) Apply a sufficient coat of engine oil to the tip area of the intake valve shown in the illustration.
(b) 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.
(c) Using SST, compress the inner compression spring and install the 2 valve spring retainer locks.
SST : 09202-70020
09202-00010
(d) Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
NOTICE:
Be careful not to damage the retainer.
7. INSTALL EXHAUST VALVE
(a) Apply a sufficient coat of engine oil to the tip area of the exhaust valve shown in the illustration.
(b) 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.
(c) Using SST, compress the inner compression spring and install the 2 valve spring retainer locks.
SST : 09202-70020
09202-00010
(d) Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
NOTICE:
Be careful not to damage the retainer.