2014 Cadillac CTS Owner Manual - Page 320
2014 Cadillac CTS Manual
Page 320 highlights
10-16 Vehicle Care To inspect or replace the engine air cleaner/filter: 1. Turn the ignition off. 3. Disconnect the electrical connector from the air box. 4. Loosen the screw on the clamp holding the air outlet duct in place. Do not remove the clamp. Move the duct aside. 5. Remove the hose from the air cleaner housing mounting arm. Move the hose aside. 6. Remove the three air cleaner housing cover screws. 2. Remove the side cover by pulling up on the front of the cover.
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