Check the listing for details. 10R80 10L80 10L90 Transmission Rebuild Book - ASTG Technical Service Manual. Condition: New. Listed at 45.00 USD. 10R80 10L80 10L90 Transmission Rebuild Book fits Ford and GM Cars - Trucks - SUV's equipped with this 10-speed This ATSG TechTran manual will aid you in the teardown and assembly of the 10R80 & 10L80/90 transmissions with many diagnostics included as well. The Ford 10R80 & GM 10L80/90 transmissions were co-engineered by Ford and General Motors, and introduced for the 2017 model year, as a rear wheel drive ten speed transmission using full electronic controls and four planetary gearsets, two multi-disc holding clutches, four multi-plate drive clutches, a one-way clutch, a main valve body control unit and a torque converter with an internal clutch to attain ten forward speeds and one reverse gear. The 10R80 & 10L80 can be found behind the 2.7, 3.0, 3.5 or 5.0 liter engines in a number of Ford & GM cars and trucks.