Steering and Suspension: Description and Operation

Definitions
These explanations refer only to this repair group, Suspension, Wheels, Steering. They are not intended to be universally applicable.

Pr.-Nr.
Abbreviation for Part No.

Steering angle sensor -G85
The steering angle sensor recognizes the direction in which the steering has been turned, left or right, and how far.
The data communication to the controller is made by the data bus lines

Heli-Coil
A spiral of spring steel which can be screwed into a threaded hole and serves as the inner thread to receive a bolt.

Hytrel (Polyelastomer)
Substance which remains elastic especially at room temperature right up to break-up temperature.

PR No.
Abbreviation for production control number. They mark, among other things, options, country-specific deviations, and chassis data.

Rep.-Gr.
Abbreviation for Repair Group

Settling
Plastic (irreversible) forming of car springs through weight of vehicle.

Toe
Offset adjustment of wheel plane to direction of travel.

Toe angle difference
Difference between steering angle of inner and outer wheels during a turn.

Camber
Angle between wheel plane and a vertical to plane of road surface. It is positive when the top of the wheel leans outward and negative when it leans inward.

AF
Abbreviation for across flats.

Triple roller joint (tripod joint)
Widely used version of constant velocity joint with three rollers in the form of a star.