1987 Audi 5000 CS, StandardFACTORY OEM SERVICE PROCEDURE

Ignition Coil

The ignition coil is equipped with a power stage mounted on the side. The power stage switches primary current in the coil on and off in place of the Hall control unit. The power stage acts like a solid state pair of ignition points and is controlled by signals from the ICU.

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.