Distance Sensor: Service and Repair

2012 Audi S4 Quattro Sedan (8K2) V6-3.0L SC (CCBA)SECTION Service and Repair





Adaptive Cruise Control Sensor (G550) Overview






1 Cover

2 Clip

Installed from MY 12

Always replace the clip if the stud bolt - 3 - was removed.

Removing and installing, refer to => [ Distance Regulation Control Module Clip, Replacing, from MY 12 ] Distance Regulation Control Module Clip, Replacing, From MY 12

3 Stud

If the stud bolt is being removed, then the clip - 2 - must always be replaced.

Observe adjustment dimension when installing, refer to => [ Measure Dimension of All Studs. ] Adaptive Cruise Control Sensor (G550)

4 Bracket

For vehicles through MY 12

5 Nut

6 Bolt

8 Nm

7 Bolt

8 Nm

8 Angle Bracket

Installed on vehicles from MY 12

9 Spring Nut

10 Bracket

For vehicles from MY 12

If a repair is required, the bracket is replaced by bracket - 4 -. Allocation, refer to the Parts Catalog

11 Adaptive Cruise Control Sensor

There are different versions; allocation, refer to the Parts Catalog

Removing and installing, refer to => [ Adaptive Cruise Control Sensor (G550) ] Adaptive Cruise Control Sensor (G550)

12 Connector

Squeeze both clips to release the connector.

RENDER: 1.0x

NO RELATED

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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:

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