Рет қаралды 13,574
leveling valves. where they are and how to inspect them. #cdltruckdriver #cdllife #truckbacking #trucking #truckin #truckingmadeeasy #pretripinspection #cdlsawareness #truckinglife #posttripinspection #truckingproblems #cdldriver #levelingvalve #levelingvalveproblems