Installation Procedure

Courtesy of GENERAL MOTORS COMPANY

Install the charge air cooler outlet air tube (2) to the vehicle.
Connect the charge air cooler outlet air tube (2) to the charge air cooler (3) and engage the retaining clip (1).
Install the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement (CTS) .
Courtesy of GENERAL MOTORS COMPANY

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

Install the charge air cooler outlet air tube (1) to the throttle body (2) while rotating the collar clockwise.
Connect the intake air pressure and temperature sensor electrical connector.