On several GM’s heavier trucks, a Z55 suspension was an alternative feature. The brand term Auto Ride refers to GM’s automated load levelling suspensions & computed crash system. Although the AutoRide unit offers a comfortable ride, when it malfunctions, it might leave you with a sizable financial hole. For GM vehicles equipped with the Z55,… Continue reading Issues with the Z55 Autoride Suspension featured in 2000-2014 GM trucks