Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
66 31 006 Removing And Installing (Replacing) Acc Sensor
After installation:
Replacement only:
- Adjusting ACC sensor, refer to 66 31 001 ADJUSTING ACC SENSOR
- Carry out programming/coding
Build date up to 03/2005:
Unclip electric cable (1) from cable guides. Release screws (2). Lever out ACC sensor (3) in direction of arrow and disconnect plug connection underneath. Remove ACC sensor (3).
Build date from 03/2005:
Remove trim grille for bumper trim sideways. See 51 11 180 REMOVING AND INSTALLING / REPLACING TRIM GRILLE IN BUMPER TRIM (UP TO 03/2005)
Unclip cable (1) from guide. Release rotary catches (2). Remove ACC sensor (3) in direction of arrow and disconnect plug connection underneath.
Installation:
Make sure both guide pins (1) of ACC sensor (2) are correctly seated.
Replacement only:
Carry out rough adjustment of ACC sensor (1) at adjusting screws (2).
- Measurement A [mm]: 6.35 +/- 0.2
- Measurement B [mm]: 4.85 +/- 0.2
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.