Reassembly

2AR-FE ENGINE MECHANICAL: CYLINDER HEAD: REASSEMBLY

1. INSTALL CYLINDER HEAD STUD BOLT

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

(a) Using an E7 "TORX" socket wrench, install the cylinder head stud bolts.





Torque : 9.5 Nm (97 kgf-cm, 84 in-lbf)

2. INSTALL NO. 1 STRAIGHT SCREW PLUG

NOTICE:
If coolant leaks from a straight screw plug or a plug is corroded, replace it.

(a) Using a 10 mm hexagon wrench, install 3 new gaskets and the 3 straight screw plugs.

Torque : 44 Nm (449 kgf-cm, 32 ft-lbf)

3. INSTALL NO. 2 STRAIGHT SCREW PLUG

NOTICE:
If coolant leaks from a straight screw plug or a plug is corroded, replace it.

(a) Using a 14 mm hexagon wrench, install a new gasket and the straight screw plug.

Torque : 78 Nm (795 kgf-cm, 58 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 oil seals.





Text in Illustration





NOTICE:
Pay attention when installing the intake and exhaust oil seals. For example, installing the intake oil seal onto the exhaust side or installing the exhaust oil seal onto the intake side can cause installation problems later.

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

(b) Using SST, push in the intake and exhaust valve 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 plenty of engine oil to the tip area of the intake valve shown in the illustration.





Text in Illustration





(b) Install the valve, compression spring and spring retainer to the cylinder head.

NOTICE:
Install the same parts in the same combination to their original locations.

(c) Using SST and wooden blocks, compress the spring and install the 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 plenty of engine oil to the tip area of the exhaust valve shown in the illustration.





Text in Illustration





(b) Install the valve, compression spring and spring retainer to the cylinder head.

NOTICE:
Install the same parts in the same combination to their original locations.

(c) Using SST and wooden blocks, compress the spring and install the 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.