This Service Bulletin, titled "Lubricating the Wheel Bearings, Rear Drive Axles 35-26," is a comprehensive guide for maintaining the rear drive axles of various Freightliner truck models. It covers a wide range of popular models, including the FLA COE, FLB COE, FLD Conventional, Business Class, FLC 112 Conventional, Century Class Conventional, Argosy COE, Cargo, Columbia, Coronado, Business Class M2, Cascadia, and 108SD/114SD. The bulletin provides detailed instructions and procedures for effectively lubricating the wheel bearings on these trucks, ensuring optimal performance and longevity of the drive axles. This service bulletin is an essential resource for technicians and mechanics responsible for maintaining Freightliner trucks, offering valuable insights and guidance for proper wheel bearing lubrication practices.

## Lubricating the Wheel Bearings: Keeping Your Freightliner Rolling The sb3526 "Lubricating the Wheel Bearings Rear Drive Axles" procedure is an essential maintenance task for a wide range of Freightliner trucks. This procedure ensures the smooth operation and longevity of the rear drive axles, crucial components that transfer power from the engine to the wheels. The procedure involves applying high-quality lubricant to the wheel bearings, specifically designed to withstand the extreme pressures and temperatures they experience. This lubrication prevents friction, wear, and premature failure of the bearings, crucial for ensuring optimal performance and extending the lifespan of the axles. The sb3526 procedure applies to a diverse fleet of Freightliner trucks, ranging from the classic FL and FLD models to the modern Cascadia and Business Class trucks, each designed for specific applications and haulage needs. From the heavy-duty workhorses of the FLA, FLB, and FLC series to the sleek and efficient Century Class and Columbia models, all rely on the integrity of their rear drive axles. Similarly, the COE cab configurations, such as the Argosy and Coronado, and the versatile Cargo and 108SD/114SD models, are equally reliant on well-maintained wheel bearings. The Business Class M2 series, popular for its versatility and efficiency, and the modern Cascadia, known for its advanced features and driver comfort, all benefit from this vital maintenance procedure. By ensuring proper lubrication, drivers can maintain optimal performance, reduce downtime, and enjoy a smoother and more reliable ride, whether on highways or challenging terrain. This procedure is a cornerstone of preventative maintenance for all Freightliner trucks, ensuring they remain operational and meeting the demanding needs of their respective industries.