gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Ignition Coil Replacement (Ignition Coils and Bracket)|Page 7054 > < Ignition Coil Replacement (Ignition Coils and Bracket)
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1. Install the ignition coil and bracket assembly to the valve rocker arm cover.

NOTE:  Refer to Fastener Notice in Service Precautions.

2. Apply threadlock GM P/N 12345382 or equivalent to the threads of the ignition coil and bracket assembly studs.
3. Install the ignition coil mounting bracket studs.

Tighten
Tighten the ignition coil bracket mounting studs to 12 N.m (106 lb in).

4. Connect the spark plug wires at the ignition coils.

5. Connect the ignition coil harness connector.
6. Connect the main electrical connector feeding the ignition coils.

Tighten
Tighten the harness nut to 9 N.m (80 lb in).

Ignition Coil Replacement (Ignition Coils and Bracket)|Page 7054 > < Ignition Coil Replacement (Ignition Coils and Bracket)