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.
#PI0938: Powertrain and Various Electrical/Electronic Control Issues - (Mar 25, 2013)
Subject:Powertrain and Various Electrical/Electronic Control IssuesModels: 2007-2014 GM Passenger Cars and Light Duty Trucks Condition/ConcernThe following two labor codes is for claiming “Labor Only” when addressing Powertrainand Various Electrical/Electronic control issues.N9999 — Electr ...