GM Service Manual Online
For 1990-2009 cars only

Door Hardware Lubrication for GMC Truck TopKick C-Series (Conventional) C6/C7/C8 2003

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 (Canadian P/N 10953474), or equivalent.