Installation Procedure
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Install the spark plugs (1).
Specification
The spark plug gap is 1.0 mm (0.040 in).
Tighten
Tighten the plugs to 20 N.m (15 lb ft).
- Install the ignition coil(s). Refer to Ignition Coil Replacement .
CAUTION:
Refer to Fastener Caution .
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.