Final drive differential with a clutch or other device to limit the differential action when one wheel loses traction.

Electronic control systems on later vehicles can substitute faulty sensor signals and therefore a vehicle can 'limp home' even when a fault occurs.

The LIN-Bus (Local Interconnect Network) is a vehicle bus standard or computer networking bus-system used within current automotive network architectures. Local interconnect network (LIN) is a single-master, multiple-slave networking architecture originally developed for automotive sensor and actuator networking applications.

For an equal increase in one variable an equal increase occurs in another.

A valve where the movement is proportional to the change in opening size.

A steel sleeve used to form a running surface for pistons in an engine. Also known as a cylinder sleeve.

The friction material attached to brake pads, shoes and clutch friction plates.

General term used to describe a collection of components that operate something.

An oil seal with a lip that is reinforced with a coil spring and is used to retain oil on a revolving or reciprocating shaft.

Hydraulic cylinders that increase the force applied.