Product Description
Very hard to come by Genuine GM Brand New Old Stock second edition 4L60 (THM 700-R4) Hydrmatic 4 speed Automatic Transmission Technicians guide service manual which includes technical diagrams / drawings.The four-speed Turbo Hydra-Matic 700R4 was introduced in 1982 for use in Chevrolet/GMC vehicles and was also used in the Holden VN Commodore range and the VQ Statesman's.
In 1990, the Turbo Hydra-Matic 700R4 was renamed the 4L60. Under the new designation, the "4" stands for the number of forward gears, the "L" for longitudinal applications (rear-wheel-drive), and the "60" is the strength rating (less than the 4L80)."60" is the relative torque value. For example, 80 is stronger than 60, which is stronger than 40, etc.A 4L80-E can handle more torque than a 4L60-E. The "E" denotes electronically controlled shifting.
The 4L60 however is hydraulically shifted based on governor pressure and TV cable position and 1992 was the last year of widespread usage of the 700R4 (4L60).
The 1993 Camaro, Corvette and Typhoon were equipped with the last production 700R4.
The last design change of the 700R4 was an added checkball to the valve body.