Removal Procedure

Remove the air cleaner outlet resonator-LF3. Refer to Air Cleaner Outlet Resonator Replacement (LF3) .

NOTE:

Removal of the charge air cooler pipe is not required for cylinders 1 and 5 coil replacement.

For cylinder number 1 coil replacement, disconnect and reposition the charge air bypass valve-right side LF3 from the charge air cooler inlet pipe right LF3 only. Refer to Charge Air Bypass Valve Replacement - Right Side (LF3) .
For cylinder number 3 coil replacement, disconnect and reposition the charge air cooler inlet pipe (right) from the charge air cooler cover only. Refer to Charge Air Cooler Inlet Pipe Replacement - Right 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).