This Service Bulletin provides detailed instructions and specifications for replacing the SAM Cab and SAM Chassis Hardware Assemblies on a variety of Freightliner trucks. It covers models such as the FLA COE, FLB COE, FLD Conventional, Business Class, FLC 112 Conventional, Century Class Conventional, Argosy COE, Cargo, Columbia, Coronado, Business Class M2, and Cascadia. The bulletin offers comprehensive guidance for technicians and mechanics on how to safely and effectively remove, replace, and re-install the SAM Cab and SAM Chassis Hardware Assemblies, ensuring proper function and compliance with manufacturer standards. The document includes step-by-step procedures, illustrations, technical specifications, and troubleshooting tips to assist with the repair process.

## Replacing SAM Cab and SAM Chassis Hardware Assemblies: A Crucial Component for Freightliner Trucks The SAM (Safety and Monitoring) system is a critical component in Freightliner trucks, encompassing both cab and chassis hardware assemblies. This system acts as the nerve center for various safety and operational functions, ranging from engine control and diagnostics to driver assistance features and electronic stability control. Replacing these assemblies becomes a necessity in cases of damage, malfunction, or the need for specific upgrades. The SAM Cab encompasses elements like the instrument cluster, steering column controls, and central electronic modules, while the SAM Chassis includes components crucial for vehicle functionality like the engine control unit, ABS system, and trailer connectivity modules. The importance of the SAM system in Freightliner trucks cannot be overstated. Its role in ensuring safety, driving performance, and operational efficiency is paramount. Replacing the SAM Cab and SAM Chassis hardware assemblies is a complex process that requires specialized knowledge and skills. It involves careful removal and installation of these components, ensuring proper connectivity and calibration to maintain the truck's functionality and safety. This process often necessitates the use of advanced diagnostic tools and equipment to ensure proper integration and function of the replaced assemblies with the rest of the truck's systems. By ensuring a seamless and efficient replacement of the SAM Cab and SAM Chassis hardware, owners and operators can maintain the safety, reliability, and performance of their Freightliner trucks.