TrailBlazer 4WD L6-4.2L VIN S (2002)
50. Remove the bolt securing the auxiliary air conditioning duct to the vehicle.
51. Remove the 2 push pins (2, 3) from the rear of the headliner.
52. Release the assist handles from the roof panel. Refer to Assist Handle Replacement.
53. With the aid of an assistant, lower the headliner to release the interlocking strips (1) that retain the headliner to the roof panel.
54. If the vehicle is equipped with a sunroof, partially lower the headliner and disconnect the sunroof assembly electrical connector.
55. With the aid of an assistant, remove the headliner from the vehicle.