FixVault

Spark Plug Replacement

Fig 1: Spark Plug
GM3978619Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
CAUTION: This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.
Preliminary Procedure Remove the ignitions coils. Refer to Ignition Coil Replacement 
1 Spark Plug [4x]
Tighten 
17 N.m (13 lb ft)