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Tag Archives: transmission systems

How Does Automatic Overdrive Work?

How Does Automatic Overdrive Work?

Automatic overdrive systems are a form of transmission system offering significant performance enhancements and can also increase the efficiency of your car. When people hear the term 'overdrive' they may think it's all about speed, but that's not the focus of the feature. Overdrive can help a car to go faster, but it's really focused on allowing the engine to run at a lower RPM while maintaining the vehicle's current cruising speed. When To Use Overdrive Overdrive is an incredibly useful feature, and it's one you should use the vast majority of the time. The only time you'd likely need to turn overdrive off is if your vehicle is climbing a very steep hill or carrying/towing something incredibly heavy. In those situations, it's beneficial to be able to rev the engine a bit more. It's also useful to be able to go into lower gears if you're going down very steep hills. Many modern engines have 'smart' transmissions, w ... read more

How Your Car's Powertrain And Transmission Systems Work

Do you know your powertrain and transmission system transmits engine power to the vehicle's wheels and multiples engine torque to accelerate the vehicle? Nearly 100 years ago cars had two- or three-speed manual transmissions that required an expert hand to operate smoothly. They were noisy, rudimentary systems compared to today's modern powertrain and transmission systems. The vehicle's powertrain and transmission system transmits engine power to the vehicle wheels. It provides for multiplication of engine torque (or twisting force) to accelerate the vehicle from a stop, or for carrying heavy loads in the case of trucks. The system also allows for engine speed reduction at cruising speeds to save fuel and reduce noise. Key components of the system include: - Transmission or Trans-axle - Transfer Case (four-wheel-drive or all-wheel-drive) - Propeller Shaft (drives the rear axle) - Drive Axles (drives the wheels) - Clutch (manual shift) - Torque Conver ... read more

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