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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.
  1. INSTALL NO. 2 STRAIGHT SCREW PLUG 
    1. 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) 

    Fig 1: Locating Straight Screw Plugs
    G05749775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL NO. 1 STRAIGHT SCREW PLUG 
    1. 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) 

  3. INSTALL VALVE SPRING SEAT 
    1. Install the valve spring seats to the cylinder head
    Fig 2: Locating Straight Screw Plug
    G05749774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL INTAKE VALVE STEM OIL SEAL 
    1. Apply a light coat of engine oil to new intake valve stem oil seals
      NOTE: 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.
      Fig 3: Identifying Intake Valve Stem Oil Seal
      G05749803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      The intake valve oil seals are brown and the exhaust valve oil seals are gray

    2. 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.
  5. INSTALL EXHAUST VALVE STEM OIL SEAL 

    HINT

    Perform the same procedure as for the intake side

    Fig 4: Installing Intake Valve Stem Oil Seals
    G05749804Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL INTAKE VALVE 
    1. Apply plenty of engine oil to the tip area of the intake valve shown in the illustration
    2. 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.
      Fig 5: Identifying Tip Area Of Intake Valve
      G05749805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. 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) 

      Fig 6: Installing Valve Spring Retainer Lock
      G05749769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. 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.
      Fig 7: Tapping Valve Stem Tip
      G05749807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL EXHAUST VALVE 
    1. Apply plenty of engine oil to the tip area of the exhaust valve shown in the illustration.
    2. 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.
      Fig 8: Identifying Tip Area Of Exhaust Valve
      G05749808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. 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) 

      Fig 9: Installing Valve Spring Retainer Lock
      G05749770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. 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.
      Fig 10: Tapping Valve Stem Tip
      G05749810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL VALVE ADJUSTING SHIM 
    1. Apply a light coat of engine oil to the valve adjusting shims
    2. Install the valve adjusting shims to the cylinder heads