9-7X V8-5.3L (2005)
1. Position the side rails (3) to the roof panel.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice).
2. Install the screws (2) which retain the side rails to the roof panel, starting with the rearmost screw first on each side.
Tighten screws to 5 Nm (44 in. lbs.).
3. Install and secure the finish covers (1) to the side rails.