Installation Procedure

Fig 1: View Of Ignition Coils

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

NOTE: 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.

Install the spark plugs.
Tighten: Tighten the plugs to 20 N.m (15 lb ft).

Specification: The spark plug gap is 1.06 mm (0.042 in).
Install the ignition coil(s). Refer to Ignition Coil Replacement .