Door Hardware Lubrication
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The mechanical components of the door assembly receive lubrication during the assembly. If any door hardware mechanism needs additional lubrication, use multi-purpose lubricant GM P/N 12346241 or Canadian P/N 10953474 or equivalent.