Removal Procedure

NOTE:

Removal of the charge air cooler pipe is not required for cylinders 2 and 6 coil replacement.

Remove the intake manifold cover-LF3. Refer to Intake Manifold Cover Replacement (LF3) .
For cylinder #6, disconnect the charge air bypass valve-left side LF3, from the charge air cooler inlet pipe-left side only and reposition the valve. Refer to Charge Air Bypass Valve Replacement - Left Side (LF3) .
For cylinder #4, disconnect and reposition the charge air cooler inlet pipe (left) from the charge air cooler cover. Refer to Charge Air Cooler Inlet Pipe Replacement - Left Side (LF3) .
Courtesy of GENERAL MOTORS COMPANY

Disconnect the engine wiring harness electrical connector (s) (1) from the ignition coil (s) (2).
Courtesy of GENERAL MOTORS COMPANY

Remove the ignition coil bolt (s) (1).
Remove the ignition coil (s) (2).