1987 Audi 5000 CS, AutomaticFACTORY OEM SERVICE PROCEDURE

Abs Control Unit

The Anti-Lock Brake System (ABS) control unit receives and interprets electrical signals from the speed sensors to determine wheel braking lock-up. If one or more wheels begins to lock-up, the ABS control unit automatically modulates brake pressure to prevent wheel lock-up.

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.