Sierra 1500 4WD V8-6.0L (2007)
6. There are 2 different manufacturers for the ignition coils and coil brackets. They are as follows:
7. The Melco(R) (1) ignition coil is a square design.
8. The Delphi(R) (2) ignition coil is a round design.
9. The Melco(R) ignition coil bracket (1) is a square design.
10. The Delphi(R) ignition coil bracket (2) is a round design.
Installation Procedure
1. Position the ignition coil to the ignition coil bracket. (left side shown, right side similar).
Notice: Refer to Fastener Notice.
2. Install the ignition coil bolts.
Tighten the bolts to 10 N.m (89 lb in).
3. Install the spark plug wire to the ignition coil.
4. Inspect the spark plug wire for proper installation:
