Q:

How can an automatic transmission be converted to manual transmission?

A:

Quick Answer

The only way to convert an automatic transmission to a manual transmission is to completely replace the automatic transmission assembly of the car with a manual transmission. This procedure may be difficult or impossible on some vehicles depending on the model and design.

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Full Answer

Traditional automatic transmissions are very different in design than manual transmissions, so there is no way to convert an existing automatic transmission to a manual transmission without replacement. Major differences include the lack of a manual clutch and shifter linkage in an automatic transmission, as well as the presence of a torque converter to control shifting that is not part of a manual transmission. While some modern cars use so-called automated manual transmissions, these transmissions are also mechanically dissimilar to a classic manual transmission. Automated manual transmissions also lack a manual clutch and shifter, instead typically using one or more computer-controlled clutch packs that move to the appropriate gear via an electromechanical mechanism during shifting.

Some cars are designed in a way that makes replacing the transmission relatively straightforward, such as many rear-wheel drive sports cars. Replacing the transmission in front-wheel or all-wheel drive cars is often significantly more difficult due to the compact nature of the drivetrain in the former case, or the more complex all-wheel drive system in the latter. Some cars were never designed to use a manual transmission, and it may not be possible to find a manual transmission that is compatible with those vehicles.

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