Out of sight, out of mind. That pretty much sums up how most outdoorsmen view the suspension on their 4×4—until the truck starts bottoming out on rutted trails or groaning like some ghoul in a third-rate direct-to-video horror movie. By this point, you’ve no doubt figured out that something is dreadfully wrong with the vehicle’s ride or handling, but you can’t exactly nail down the problem.What do you do?