Lucerne V6-3.8L (2007)
Headliner: Service and Repair
Cardboard Insulator Headliner Replacement
Cardboard Insulator Headliner Replacement
Removal Procedure
Caution: Do not attempt to repair or alter the head impact energy-absorbing material glued to the headliner or to the garnish trims. If
the material is damaged, replace the headliner and/or the garnish trim. Failure to do so could result in personal injury.
1. Remove the headliner.
Notice: Use care when removing the cardboard roof insulator. Excessive pressure can cause dents in the roof panel.
2. Starting in one corner of the cardboard, pulling downward, cut the adhesive beads (1) using a sharp putty knife or equivalent.
Important: It is not necessary to remove all of the old adhesive from the roof panel.
3. Cut off all of the adhesive beads.
4. Remove the cardboard roof insulator.
Installation Procedure
Important: Installation of a new cardboard roof insulator is necessary to ensure the acoustical integrity of the roof system. Use GM P/N
12378192 Adhesive available through General Motors Service Parts Operations.
1. Apply beads of adhesive to a height (2) of 6-9 mm (1/4-3/8 in) and a width (1) of 15 mm (5/8 in).
2. Apply the adhesive in the locations marked on the cardboard insulator (1).
Important: The cardboard roof insulator must be installed within five minutes of adhesive application.
3. Place the cardboard roof insulator to the roof panel.
