For sales or pricing inquiries outside of the United States, please visit: http://www.cdxauto.com/ContactUs to access a list of international CDX Automotive Account Managers. Diesel Technology: Steering and Suspension, Student Guide, Third Edition consists of ten units divided into three sections. Section A: Chassis, Tires, and Wheels, addresses cab components, tires, rims, and wheels, and chassis components. Section B: Steering covers manual and power steering systems. Section C: Suspension covers front and rear suspension and vehicle alignment. NATEF/ASE tasks for Heavy-Duty Truck Technician Steering and Suspension are taught in this publication, and are identified in a crosswalk document in the teacher’s edition.