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The 4L60E (and similar 4L65E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. The 4L60E is the electronically commanded evolution of the Turbo-Hydramatic 700R4 , originally produced in 1982.
1972–1976 TH375 — Light duty version of TH400; 1976–1987 TH200/TH200C; 1981–1990 TH200-4R; 1982–1993 TH700R4/4L60; Heavy-duty rear wheel drive. 1971–1994 3L80HD (heavy duty version of TH400) Light-duty rear wheel drive. 1969–1998 TH180/TH180C/3L30 — European/Asian model. Used/manufactured by Holden as the Trimatic. Longitudinal ...
The typical modern TCU uses signals from engine sensors, automatic transmission sensors and from other electronic controllers to determine when and how to shift. [2] More modern designs share inputs or obtain information from an input to the ECU, whereas older designs often have their own dedicated inputs and sensors on the engine components.
In 1995, the 4L60E received a PWM-controlled lockup converter. The early designs simple on or off lockup function while the later design can regulate the apply pressure as to not feel the lock up occur. GM added a fifth solenoid to the valve body, called the PWM solenoid. In 1996, GM introduced a redesigned 4L60E transmission case that ...
The 2.2l S10/Sonoma had the starter located in the same position as front wheel drive cars. A rear wheel drive bellhousing is displayed at right, and the integrated front wheel drive bellhousing is displayed at the lower right (in this case, as a part of the GM 6T70 Transmission).
For 1988, the 5.0L engine was dropped from the line, with the 5.7L V8 becoming the standard engine. In a trim revision, the R/V line adopted the nomenclature of its GMT400 successor, with all vehicles adopting the 1500/2500/3500 payload series (previously used by GMC) and the base Custom Deluxe trim retired and replaced by a revived Cheyenne trim.