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Some modern automatic transaxles (integrated transmission and differential) do not use a heavy oil at all but lubricate with the lower viscosity hydraulic fluid, which is available at pressure within the automatic transmission. Gear oils account for about 20% of the lubricant market. [1]
Via the onboard computer and electronic clutch, the car automatically selects the appropriate gear based on speed and gradient information. An MMT car limits the highest gear selectable, if the gradient is steep. L and 2 gear in a full automatic: The L and 2 gear in automatic can be simulated in an MMT car by either using E1/E2 or M1/M2.
Lifetime automatic transmission fluids made from higher-quality base oil and an additive package are more chemically stable, less reactive, and do not experience oxidation as easily as lower-quality fluids made from lower-quality base oil and an additive package. Therefore, higher-quality transmission fluids can last a long time in normal ...
Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...
It is the equivalent to D in a fully-automatic transmission. The gearbox in an AMT car is a manual gearbox, instead of one with a torque converter as in a traditional automatic transmission. M-downshifts a gear in a sequential fashion, from M5 (M6 in 6-speed AMT cars) to M1. M+ up-shifts a gear in a sequential fashion, from M1 to M5 (M6 in 6 ...
This was the world's first automatic transmission fluid, designed for the world's first mass-produced automatic transmission. [ 2 ] This fluid had cold-weather performance problems, which led to the need for an improved fluid, the Type "A" fluid, in 1949.
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Tension between the shift sleeve and the shift rail also prevents the sleeve from vibrating while in gear. The F40 is cast in aluminum, and weighs 124 pounds (56.2 kg). It has been certified for up to 295 ft-lb ( 400 Nm) of engine torque. The F40 MT2/MU9 uses a Castrol Burmah (BOT 0063) manual transmission fluid, or GM 88862472 gear oil. This ...