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Range-selector quadrant P · R · N · D · M · L Case description 2-piece main, bell integrated with main Case material Die cast aluminum Shift pattern (2) 2 on/off solenoids Shift quality 6 Variable Force Solenoids · 1 for each clutch · 1 for TCC Torque converter clutch Variable Force Solenoid ECCC · 2 path · turbine damper Converter size
Ratio selection was through a column shift, with a lighted selector quadrant on the steering column showing the range. The positions available were Parking, Neutral, High, Low and Reverse (PNHLR). After its first year, the Ultramatic Drive became available on all Packard models, and was immediately popular.
Manual – the driver has to perform each gear change using a manually operated clutch; Automatic – once placed in drive (or any other 'automatic' selector position), it automatically selects the gear ratio dependent on engine speed and load; Basically there are two types of engine installation:
This is performed by two bands, two multi-disc clutches and a one-way clutch. When the transmission of the motionless vehicle is placed in Drive, the transmission allows the vehicle to move off in first gear, then will change to second and then to third gear based on an increase in road speed.
Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors.These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.
The basis of the Turboglide's unique abilities was its five-element torque converter.Most automatic transmissions have a three-element torque converter, consisting of an impeller (an engine-driven pump); a turbine that rotates with the flywheel; a transmission-driven turbine that receives the energy of the oil propelled by the impeller, and a stator that redirects the recirculating oil so that ...
Clutch control refers to the act of controlling the speed of a vehicle with a manual transmission by partially engaging the clutch plate, using the clutch pedal instead of (or in conjunction with) the accelerator pedal. The purpose of a clutch is in part to allow such control; in particular, a clutch provides transfer of torque between shafts ...
In the first few years after introduction, they became known as the "Slip-N-Slide Powerglide", due to the fluid coupling, as opposed to the mechanical coupling of a clutch-driven gearbox, and the "Positive-Pop transmission". This last is due to the characteristic "bump" or "pop" which occurs as the transmission is put into gear from neutral.