PDF-8L90

PDF-8L90 Download: 8L90 Rebuild/Reference Procedure

Written by Bill Brayton for the Automatic Transmission Rebuilders Association (ATRA), this comprehensive manual provides detailed rebuild and reference procedures for the Hydra-Matic 8L90 eight-speed transmission. It covers essential technical data, including solenoid strategies, clutch application charts, and power flow diagrams. Technicians are guided through complete disassembly and assembly, with specific sections for overhauling clutch drums, the valve body, and the fluid pump. The guide also features critical maintenance protocols, including line pressure testing, fluid level checks, and adaptive learning procedures, to ensure optimal transmission performance.