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Active Fuel Management (formerly known as displacement on demand (DoD)) is a trademarked name for the automobile variable displacement technology from General Motors.It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy.
A simple open center hydraulic circuit. An excavator; main hydraulics: Boom cylinders, swing drive, cooler fan, and trackdrive Fundamental features of using hydraulics compared to mechanics for force and torque increase/decrease in a transmission. Hydraulic machines use liquid fluid power to perform work. Heavy construction vehicles are a ...
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.
4L80-Es were optioned only in Chevrolet/GMC pickups, vans, and commercial vehicles, and the Hummer H1. It was also adopted by Rolls-Royce in 1991 and modified after extensive testing, [ 1 ] and used initially in the Bentley Continental R, and subsequently other Rolls-Royce and Bentley vehicles.
A hydraulic cylinder is the actuator or "motor" side of this system. The "generator" side of the hydraulic system is the hydraulic pump which delivers a fixed or regulated flow of oil to the hydraulic cylinder, to move the piston. There are three types of pump widely used: hydraulic hand pump, hydraulic air pump, and hydraulic electric pump.
1994 GMC Yukon GT 1995 Chevrolet Tahoe LT 4-door 1997 Chevrolet Tahoe base 2-door, with unique grille and sealed-beam headlights . The new GMC Yukon was introduced in 1991 for the 1992 model year, succeeding the 2nd generation (K5) Jimmy, while Chevrolet continued to use the Blazer name on its third-generation K5 model, through the 1994 model ...
For 1989, GMC adopted the trim nomenclature of the fourth-generation C/K for the R/V series pickups. In line with the Chevrolet Bonanza, GMC offered the Royal Sierra appearance package, coupled with the Sierra Grande and High Sierra; in Canada, GMC offered several Sierra Wrangler exterior appearance packages (prior to the use of the name by ...
The Yukon GT was introduced in 1993 as a sport-appearance trim variant of the third generation GMC Yukon (previously Jimmy) as a "Sport Equipment Package", option code BYP. [ 24 ] : 298 It is equipped with four-wheel-drive and aluminum wheels; the GT package was available exclusively with the 350 in 3 (5.7L) L05 V8. [ 25 ]