ATM-6L80

The 6L80 Rebuild/Reference Manual, authored by Bill Brayton for the Automatic Transmission Rebuilders Association (ATRA), is a comprehensive technical guide for the Hydra-matic 6-speed RWD transmission. It provides detailed instructions on transmission disassembly and assembly, sub-assembly rebuilding (such as the front pump and various clutch drums), and valve body service.

Essential reference data includes torque specifications, clutch apply charts, and adaptive learning procedures. It also features instructional photographs highlighting critical check ball locations, air check points, and updated component information to ensure a professional-grade overhaul.