Installation Procedure

Fig 1: Ignition Coils

Courtesy of GENERAL MOTORS COMPANY

CAUTION:

Install the ignition coil bolt(s) (1).
Tighten

the bolt(s) to 10 N.m (89 lb in)

Fig 2: Engine Wiring Harness Electrical Connector(s)

Courtesy of GENERAL MOTORS COMPANY

Connect the engine wiring harness electrical connector(s) (1) to the ignition coil(s) (2).
For cylinder #4, connect the charge air cooler inlet pipe (left) to the charge air cooler cover. Refer to Charge Air Cooler Inlet Pipe Replacement - Left Side (LF3) .
For cylinder #6, connect the charge air bypass valve-left side LF3, to the charge air cooler inlet pipe-left side. Refer to Charge Air Bypass Valve Replacement - Left Side (LF3) .
Install the intake manifold cover-LF3. Refer to Intake Manifold Cover Replacement (LF3) .