The contact owns a 2011 GMC Acadia. The contact stated that the vehicle was repaired under NHTSA campaign number: 15V415000 (structure) at ed bozarth Chevrolet #1 Buick GMC Cadillac (3731 sw topeka blvd, topeka, ks 66609) in 2016. The contact stated that recently the bolt that connected the trunk shock to the liftgate fractured and detached upon opening the liftgate. The contact took the vehicle back to the same dealer to retrieve a replacement bolt. The contact was informed that the part would take a few days to arrive. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was 150,321.

- Silver Lake, KS, USA

The contact owns a 2011 GMC Acadia. After opening the rear liftgate door and leaning into the rear area, a popping noise was heard before the liftgate door suddenly closed down. As a result of the failure, the contact's head was struck with the liftgate. The contact sustained severe head trauma, which required medical treatment. The contact indicated that the vehicle was previously serviced in June of 2015 for NHTSA campaign number: 15V415000 (structure) to prevent the failure from occurring. The local dealer (GMC of beachwood, 25975 central pkwy, beachwood oh) and the manufacturer were notified of the failure. The failure mileage was 65,000.

- Pepper Pike, OH, USA

The contact owns a 2011 GMC Acadia. While the electric rear liftgate door was opening, the power assist cylinders failed and caused the door to unexpectedly slam shut. The failure occurred on multiple occasions. The cause of the failure was not diagnosed or repaired. The contact indicated that the vehicle was previously repaired per NHTSA campaign number: 15V4150000 (structure) to provent the failure from occurring. No further information was available. The local dealer (wheeler Chevrolet in hinton, ok) and the manufacturer were both notified of the failure, but no assistance was offered. The failure mileage was 105,000.

- Binger, OK, USA