The Allison TT 2220 Service Repair Manual is an indispensable resource for anyone involved in the repair, maintenance, rebuilding, refurbishing, or restoration of Allison TT 2220 transmissions in heavy-duty trucks. This comprehensive manual provides detailed instructions and illustrations to guide you through every step of the repair process.

The manual features numbered instructions that lead you through each repair procedure step by step, with bold figure numbers clearly linking illustrations to the corresponding instructions. Enlarged insets allow for close-up examination of parts, while detailed illustrations, drawings, and photographs further enhance clarity. You'll find a well-organized table of contents with numbered entries to quickly navigate the manual.

The Allison TT 2220 Service Repair Manual also equips you to diagnose and repair issues with the electrical system. Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use. This manual covers a wide range of components and systems typically found in heavy-duty trucks, including the body, frame and mounting, engine, suspension, driveline, brake systems, transmission/transaxle, clutch, chains, exhaust, fuel, steering, shocks, climate control, instrumentation and warning systems, battery and charging systems, audio, lighting, electrical distribution, and wiring.

The Allison TT 2220 Service Repair Manual is an essential resource for mechanics and technicians working on a wide range of heavy-duty trucks equipped with Allison automatic transmissions. This comprehensive manual provides detailed instructions and diagrams for servicing, repairing, and troubleshooting the complex workings of the TT 2220 transmission. It covers everything from basic maintenance tasks like fluid changes and filter replacements to more intricate procedures like clutch pack adjustments, valve body repairs, and complete overhaul. The manual is designed to be user-friendly, utilizing clear language and detailed illustrations to guide users through each step of the process. It also includes comprehensive troubleshooting charts, diagnostic codes, and specifications to aid in identifying and resolving common transmission issues.

The Allison TT 2220 transmission is a robust and reliable unit, known for its durability and efficiency in demanding heavy-duty applications. It features a unique torque converter design that provides smooth and efficient power transfer, contributing to fuel economy and reduced wear and tear on the drivetrain. The TT 2220 is typically found in a variety of heavy-duty trucks, including dump trucks, tractor-trailers, and construction vehicles, making it a crucial component in many industries. The Allison TT 2220 Service Repair Manual is an indispensable tool for those working on these vehicles, ensuring that they can maintain and repair the transmission effectively and safely, maximizing its performance and extending its lifespan. The manual's detailed information and step-by-step guidance empower mechanics to confidently diagnose and address any transmission issues, minimizing downtime and ensuring continued operational efficiency for these vital trucks.