Suspension, Rear May 20, 2020 NHTSA recall 20V284000 59 units REV Ambulance Group Orlando, Inc. (REV) is recalling certain 2018-2020 Type 1 ambulances built on Ram 4500 and 5500 chassis equipped with Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF… Full recall details: the risk and what to do →