Audi A7 Sportback Running Gear / Suspension – SSP 480



Audi A7 Sportback Running Gear Suspension - Self-study programme 480

Audi A7 Sportback Running Gear / Suspension – Self-study programme 480. The self-study programme describes the fundamentals of the design and function of new vehicle models, new automotive components or new technologies.

Running gear / suspension – overall concept

A major development goal for the running gear / suspension of the Audi A7 Sportback was to achieve great agility with good control, thus enhancing driving pleasure with high levels of safety and comfort. The use of the proven axle concept with the five-link front axle in connection with a trapezoidal link rear axle is the prerequisite for this. As already implemented in the case of Audi A8 ’10 and Audi A6 ’05, adaptive air suspension (aas) will also be used on the Audi A7 Sportback. This equipment is optional here; the series standard equipment is a steel-sprung running gear / suspension with conventional damping.

From a conceptual perspective, the final drive before differential drive concept used for the first time in the Audi A5 ’08 will also be used in the Audi A7 Sportback, which means a larger wheelbase can be implemented with a small front overhang.

In comparison with the Audi A6 ’05, the wheelbase has been enlarged by 69 mm, the track width on the front axle by 15 mm.

The layout of the steering gear on the subframe in front of the front axle ensures the necessary exact steering response and the precise steering feel in every driving situation.

The electrical implementation of the power-assisted steering has enabled a reduction in the fuel consumption of a max. of 0.3 l / 100 km. Various additional functions can also be implemented.

The self-study programme is not a Repair Manual! Any figures quoted merely serve the purpose of facilitating understanding and relate to the version of data valid at the time the SSP was produced.

CONTENTS

Running gear / suspension

  • Overview

Axle and running gear alignment

  • Front axle
  • Rear axle
  • Running gear alignment

Adaptive air suspension (aas)

  • Overview
  • System components
  • Control strategy
  • Operation and driver information
  • Service jobs

Steering system

  • Overview

Electromechanical steering

  • Overview
  • System components
  • Operation and driver information
  • Service / diagnosis functions

Brake system

  • Overview
  • System components
  • Service jobs

ESP

  • Overview
  • System components
  • System functions
  • Operation and driver information
  • Service jobs

Control unit for sensor electronics J849

  • Overview
  • Design and functions
  • Service and diagnosis functions

Adaptive cruise control (ACC)

  • Overview
  • Design and functions
  • Service and diagnosis functions

Wheels and tyres

  • Overview

Low tyre pressure indicator

  • Overview

Language: English
Format: PDF
Pages: 44
Size: 5.34 Mb
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