Installation Procedure
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the spark plug gap. Adjust the gap as needed. Refer to Ignition System Specifications .
- Hand start the spark plug in the corresponding cylinder.
- Tighten the spark plug to 15 N.m (11 lb ft).
- Install the spark plug wire to the spark plug.
- Inspect the spark plug wire for proper installation:
- Push sideways on each boot in order to inspect the seating.
- Reinstall any loose boot.
NOTE:
The spark plug comes pre-gapped. Do not change the spark plug gap from 1.01 mm (0.040 in).
CAUTION:
Refer to Fastener Caution .