This service bulletin provides comprehensive information regarding the AirLiner Suspension Air-Spring Assembly, specifically covering models 32-48. The bulletin is applicable to a wide range of Freightliner trucks, encompassing various configurations like COE (Cab Over Engine) and Conventional models. The covered trucks include FLA COE, FLB COE, FLD Conventional, Business Class, FLC 112 Conventional, Century Class Conventional, Argosy COE, Cargo, Columbia, Coronado, Business Class M2, and Cascadia. This service bulletin is a valuable resource for technicians and service professionals working on these Freightliner trucks, offering insights into the AirLiner Suspension Air-Spring Assembly and its associated components.

The AirLiner Suspension Air Spring Assembly is a critical component of Freightliner trucks, designed to provide a smooth and comfortable ride while carrying heavy loads. This assembly, compatible with a wide range of Freightliner models including the FLA, FLB, and FLD COEs, as well as the FLC 112, Century Class, and Business Class conventionals, ensures optimal road handling and load distribution for these heavy-duty vehicles. The AirLiner suspension uses air springs to absorb shocks and vibrations, providing a level of comfort unmatched by traditional leaf spring suspensions. This is particularly beneficial for long-haul trucking, where drivers spend extended periods behind the wheel. Furthermore, the air spring assembly plays a vital role in load stability and control, enabling the truck to handle uneven terrain and maintain a consistent ride height even under heavy loads. The AirLiner Suspension Air Spring Assembly is designed to deliver superior performance and durability. Crafted from high-quality materials and built to rigorous standards, the assembly is known for its resistance to wear and tear, ensuring long-lasting reliability. Its modular design allows for easy maintenance and replacement of individual components, minimizing downtime and optimizing efficiency. The AirLiner Suspension Air Spring Assembly also contributes to improved fuel economy by reducing rolling resistance, further enhancing the overall value proposition for Freightliner truck operators. By offering a blend of comfort, stability, and cost-effectiveness, the AirLiner Suspension Assembly reinforces Freightliner's reputation for building some of the most reliable and durable trucks available in the market today.