One problem related to tailgate hinge has been reported for the 2000 GMC C1500. The most recently reported issues are listed below.
The contact states there is NHTSA recalls campaigns 04v129000 concerning tailgate: hinge and attachments, and 05v161000 concerning parking brake. This vehicle manifests the same problems as indicated in the recalls. But is not included in the recalls due to VIN. The contact repaired the vehicle at his own expense. Updated 12/7/2005.