CTS 2006-2007, CTS-V 2005-2007, DTS 2006-2007

Air Line

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Depressurize the air suspension system.
  4.  
  5. Raise and support the vehicle.
  6.  
  7. Disconnect all air lines using the following procedure. Air spring connection shown. All others are similar.
    1. Push the air supply line into the air spring connection and hold in place.
    2.  
    3. Depress and hold the air supply line collet (2) down.
    4.  
    5. Remove the air supply line (1) from the air spring.

      Click image to see an enlarged view

      Fig. Air line (1), collet (2)

    6.  

  8.  

To install:


NOTE
Inspect the ends of all air supply pipes for deep scoring and sharp edges before reinstalling the pipe to the fitting. Replace any pipe that exhibits any of the above conditions.

  1. Install air line to the appropriate fitting until the line bottoms.
  2.  
  3. Pressurize the air springs. Refer to Air Suspension Pressurization Procedure.
  4.  
  5. Lower vehicle.
  6.  
  7. Start the vehicle and run for approximately 2 minutes to verify that the air suspension system is functioning properly.
  8.  

 
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