GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 Yukon XL Denali 🢒 Body 🢒 Exterior Trim 🢒 Liftgate Upper Molding Replacement

Removal Procedure
  1. Open the liftgate window.

    2. Object Number: 800629 Size: SH
  2. Remove the fasteners retaining the high mounted stop lamp.
  3. Lower the liftgate window.
  4. Remove the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement in Lighting Systems.

    5. Object Number: 1397212 Size: SH
  5. Remove the fastener retaining the liftgate applique (1) from the liftgate window frame (2) on the left and right side.

    6. Object Number: 1397277 Size: SH
  6. Remove the liftgate applique (1) from the liftgate window (2).
    7. 6.1. Heat the outside of the applique (1) using a heat gun. Hold the heat gun approximately 152 mm (6 in) from the surface. Apply heat using a circular motion for approximately 30 seconds throughout the perimeter of the applique.

            Important: Be careful not to scratch or chip the paint.

    6.2. Peel the applique from the outer surface of the liftgate window using a plastic, flat-bladed tool.
    6.3. Remove all adhesive from the liftgate window using a 3M Scotch Brite molding adhesive remover disk, 3M P/N 0751 or equivalent.
    6.4. Clean the liftgate using Varnish Makers and Painters (VMP) naptha.

Removal Procedure
  1. Clean any remaining adhesive from the window surface using Varnish Makers and Painters (VMP) naptha.
  2. Wipe the surface with a clean cloth to removal all traces of cleaner.
  3. Ensure that the surface of the liftgate in the tape contact area is clean and dry.
  4. Using a clean dauber, apply adhesion promoter to the window surface where the adhesive strip will contact.
  5. Peel the backing from the adhesive on the liftgate applique.

    6. Object Number: 1397277 Size: SH
  6. Lower the front edge of the liftgate applique (1) against the liftgate (2) surface approximately 2 mm (0.08 in) above the liftgate offset.

    7. Important: Do not let the tape surface contact the liftgate surface until after the part rotation.

  7. Rotate the liftgate applique (1) down over the top of the liftgate window (2).
  8. Press the liftgate applique (1) to the liftgate window (2).
  9. Hand roll the liftgate applique to the liftgate window in order to ensure proper adhesion.
  10. Install the high mounted stop lamp.
  11. Open the liftgate window.

    12. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1397212 Size: SH
  12. Tighten the fasteners (1) securing the liftgate applique to the liftgate window frame (2) on the left and right side.

    13. Tighten
    Tighten the bolt to 5 N·m (44 lb in).

  13. Install the fasteners retaining the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement in Lighting Systems.
  14. Close the liftgate window.