Pre-owned vehicles with Automatic Transmission System near Lubbock, TX

What is an automatic transmission and how does it work? 

A type of transmission or gearbox that can automatically change gears while the vehicle is in motion, is called automatic transmission. This self-shifting transmission allows drivers to be relaxed who now need not manually shift gears or strenuously push the clutch pedal. The automatic transmission system does the hard work for the driver and makes driving much smoother.

 The automatic transmission system uses a fluid coupling instead of a friction clutch and changes gears by hydraulic locking and unlocking of the gears. These types of vehicles will have a pre-determined and set gear range paired with a parking brake that will lock the output shaft of the transmission and ensure that the vehicle does not move or roll when in a parked position.

There are 6 main types of automatic transmission:

• Traditional Automatic Transmission
• Automated Manual Transmission
• Continuously Variable Transmission
• Dual-Clutch Transmission
• Direct Shift Gearbox
• Tiptronic Transmission

The common automatic transmission modes are:

P – For Parking. This mode automatically locks the output shaft so that the vehicle is restricted from movement.

R – For Reverse. This mode engages the reverse gear permitting the vehicle to move backward.

N – For Neutral. This mode disengages all gear trains and disconnects the transmission to the wheels, so the vehicle now moves on its momentum.

D – For Drive. In this mode, the automatic transmission is employed and can access the entire range of gears and can move the vehicle forward and accelerate accordingly.

L – For Low Gear. This mode locks the automatic transmission in first gear only. In superior models, the gear moves up a notch when a certain rpm is achieved.  

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