Audi A4 Gearbox
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Audi A4 Gearbox
The new fourth generation Audi A4 has an all new six speed manual, which is precise and well weighted. Audi also offers a fast shifting six speed tiptronic gearbox.
The new A4 gearbox's revolutionary S tronic transmission combines the responsiveness of a manual gearbox with the convenience of an automatic. Thanks to innovative dual-clutch technology, S tronic can make a gear change in just 0.2 of a second, with no interruption to the power flow, allowing you to benefit as fully as possible from the engine’s output at all times. .
Different types of Gearboxes
When you take apart and look inside a gearbox, you will find a huge assortment of parts in a fairly small space. Among other things, you see :
In an Automatic Gearbox :-
- An ingenious planetary gear set
- A set of bands to lock parts of a gear set
- A set of three wet-plates clutches to lock other parts of the gear set
- An incredibly odd hydraulic system that controls the clutches and bands
- A large gear pump to move gearbox fluid around
Manual gearboxes you will find a lay shaft, collar and folks.
Manumatic gearboxes Manumatic is a portmanteau word, combining the words manual and automatic, that applies to a class of automotive gearboxes. Manumatic most often refers to an automatic gearbox; with some elements of manual transmission control (e.g. a gear can be manually selected instead of having the computer control all shifts). This type of transmission was introduced in the beginning of the 21st century. Different car manufacturers have been using a variety of labels for their manumatic transmissions, such as 'tiptronic', 'Geartronic', 'Touchshift', 'Sporttronic', and others.
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Just like that of a manual gearbox, the automatic gearbox's primary job is to allow the engine to operate in its narrow range of speeds while providing a wide range of output speeds.
Without a gearbox, cars would be limited to one gear ratio, and that ratio would have to be selected to allow the car to travel at the desired top speed. If you wanted a top speed of 80 mph, then the gear ratio would be similar to third gear in most manual gearbox cars.
You've probably never tried driving a manual gearbox car using only third gear. If you did, you'd quickly find out that you had almost no acceleration when starting out, and at high speeds, the engine would be screaming along near the red-line. A car like this would wear out very quickly and would be nearly undriveable.
The key difference between a manual and an automatic gearbox is that the manual gearbox locks and unlocks different sets of gears to the output shaft to achieve the various gear ratios, while in an automatic gearbox; the same set of gears produces all of the different gear ratios. The planetary gear set is the device that makes this possible in an automatic gearbox.
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The modern gearbox is by far, the most complicated mechanical component in today's automobile. Imake model) gearboxes contain mechanical systems, hydraulic systems, electrical systems and computer controls, all working together in perfect harmony which goes virtually unnoticed until there is a problem.
On a rear wheel drive car, power flow on a rear wheel drive the gearbox is usually mounted to the back of the engine and is located under the hump in the centre of the floorboard alongside the gas pedal position. A drive shaft connects the rear of the gearbox to the final drive which is located in the rear axle and is used to send power to the rear wheels. Power flow on this system is simple and straight forward going from the engine, through the torque converter, then through the gearbox and drive shaft until it reaches the final drive where it is split and sent to the two rear wheels.
We are the UK's largest virtual Audi A4 gearbox warehouse offering amazing 80% off for our customers on all parts. Find the gearboxes part you need right here, in minutes. We only work with specialist Gearboxes suppliers; their unrivalled knowledge ensures that you get the right parts – first time! All our gearboxes are fully tested prior to dispatch and include a warranty; this is a testament to the quality of parts that we deliver.