Door Hardware Lubrication
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. 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.