In general, the shock absorber is an important component of the suspension system in your GMC pickup truck. Moreover, it is mostly used for keeping the tires on the ground for providing a smoother ride even on bumpy roads. Due to many reasons, the shock absorber of your vehicle is worn out and causes many problems. Go through the video to know about the signs to determine the failed shock absorbers in your GMC pickup truck.
https://www.youtube.com/watch?v=AS9Dmjuq6G0