Cylinder Head: Reassembly
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
- 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 (815 kgf*cm, 59 ft.*lbf)
- Using a 14 mm hexagon wrench, install 2 new gaskets and the 2 No. 2 straight screw plugs.
- INSTALL NO. 1 STRAIGHT SCREW PLUG
- Using a 10 mm hexagon wrench, install 6 new gaskets and the 6 No 1 straight screw plugs
Torque: 44 N*m (448 kgf*cm, 32 ft.*lbf)
- Using a 10 mm hexagon wrench, install 6 new gaskets and the 6 No 1 straight screw plugs
- INSTALL VALVE SPRING SEAT
- Install the valve spring seats to the cylinder head
- INSTALL INTAKE VALVE STEM OIL SEAL
- Apply a light coat of engine oil to new intake valve stem oil sealsNOTE: Pay attention when installing the intake valve stem oil seals. Installing the intake valve stem oil seals on the opposite valve guide bush may cause installation problems later.
HINT:
The intake valve oil seals are brown and the exhaust valve oil seals are gray
- Using SST, push in the intake valve stem oil seals
SST 09201-41020
NOTE: Failure to use SST will cause the seal to be damaged or improperly seated.
- Apply a light coat of engine oil to new intake valve stem oil seals
- INSTALL EXHAUST VALVE STEM OIL SEAL
HINT
Perform the same procedure as for the intake side
- INSTALL INTAKE VALVE
- Apply plenty of engine oil to the tip area of the intake valve shown in the illustration
- Install the intake valve, inner compression spring and valve spring retainer to the cylinder head sub-assembly.NOTE: Install the same parts in the same combination to their original locations.
- Using SST and wooden blocks, compress the inner compression spring and install the valve spring retainer lock
SST 09202-70020 (09202-00010, 09202-01010, 09202-01020)
- Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.NOTE: Be careful not to damage the valve spring retainer.
- INSTALL EXHAUST VALVE
- Apply plenty of engine oil to the tip area of the exhaust valve shown in the illustration.
- Install the exhaust valve, inner compression spring and valve spring retainer to the cylinder head sub-assembly.NOTE: Install the same parts in the same combination to their original locations.
- Using SST and wooden blocks, compress the inner compression spring and install the valve spring retainer lock.
SST 09202-70020 (09202-00010, 09202-01010, 09202-01020)
- Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.NOTE: Be careful not to damage the valve spring retainer.
- INSTALL VALVE ADJUSTING SHIM
- Apply a light coat of engine oil to the valve adjusting shims
- Install the valve adjusting shims to the cylinder heads