Removal Procedure
Caution:This engine has aluminum cylinder heads. Do not remove thespark plugs from a hot engine, allow it to cool first. Removing thespark plugs from a hot engine may cause spark plug thread damage orcylinder head damage.
Remove the ignition coil(s). Refer toIgnition Coil Replacement.Note:Make sure that any water and/or debris is blown out of thespark plug holes prior to removing the spark plugs.
Remove the spark plugs using a 5/8-inch spark plugsocket.Installation ProcedureCaution:Refer toFastener Caution.
Caution:Do not coat spark plug threads with anti-seize compound. Ifanti-seize compound is used and spark plugs are over-torqued,damage to the cylinder head threads may result.
Install the spark plugs.Specification
The spark plug gap is 1.0-mm(0.040-in).Tighten
Tighten the plugs to 20-Y(15-lb-ft).Install the ignition coil(s). Refer toIgnition Coil Replacement.
Cylinder Head Disassemble (LAF, LEA, or LUK) Engine Block Cylinder Head
Special ToolsEN-8062Valve Spring CompressorEN-36017Valve Seal RemoverEN-43963Valve Spring Compressor (off car)For equivalent regional tools, refer toSpecial Tools.Remove the coolant air bleed hosefitting-(1).Remove the intake camshaft position sensor-(1) andbolt.Warning:Compressed valve springs have ...