Removal Procedure

Disconnect the intake air pressure and temperature sensor electrical connector.
Courtesy of GENERAL MOTORS COMPANY

NOTE:
The charge air cooler is equipped with a locking collar. Rotate the collar counterclockwise to release the charge air cooler.

Remove the charge air cooler outlet air tube (1) from the throttle body (2) while rotating the collar counterclockwise.
Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement (CTS) .
Courtesy of GENERAL MOTORS COMPANY

Pull the release clip (1) outward and disconnect the charge air cooler outlet air tube (2) from the charge air cooler (3).
Remove the charge air cooler outlet air tube (2) from the vehicle.