Installation Procedure

Fig 1: View Of Spark Plugs

Courtesy of GENERAL MOTORS CORP.

CAUTION: Do not coat spark plug threads with anti-seize compound. If anti-seize compound is used and spark plugs are over-torqued, damage to the cylinder head threads may result.

CAUTION: Refer to Fastener Caution .

Install the spark plugs and tighten to 20 N.m (15 lb ft).
Specification: The spark plug gap is 0.90 mm (0.035 in).
Apply dielectric compound to the spark plug boots and make sure no corrosion is present.
Install the ignition coil(s). Refer to Ignition Coil Replacement .