1999 Audi A8 BaseFACTORY OEM SERVICE PROCEDURE

Steering Angle Sensor -G85

There are two different versions of steering angle sensor -G85-.Β 

In conjunction with control module 4D0 907 389, the steering angle sensor -G85- is installed over the shaft of the steering column.Β 

Fig 1: Identifying Steering Angle Sensor -G85-
G02727236Courtesy of AUDI OF AMERICA, INC.

The sensor cannot be replaced individually. In the event of a malfunction on the sensor the entire steering column needs to be replaced.

See ANTILOCK BRAKE SYSTEM .

The steering angle sensor -G85- is housed together with the airbag spiral spring/return spring with slip ring -F138-.Β 

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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