Rear Axle Abs Overview

Courtesy of AUDI OF AMERICA, LLC

Driveshaft with ABS wheel speed sensor rotor
- Outer CV joint will be supplied with rotor as replacement part
- Before removing, pull wheel speed sensor out slightly
- After installing, press wheel speed sensor in by hand until seated
Wiring guide
- Do not pinch ABS wheel speed sensor wiring harness during installation
Trapezoidal arm
Washer
Nut
- 10 Nm (7 ft lb)
Bracket for ABS wheel speed sensor wiring harness
- Attach to wheel bearing housing with mounting bolt for suspension strut
ABS wheel speed sensor
- Left and right side sensors are identical
- Pull out to remove
- Before installing, coat with brake assembly lube and then push in by hand until seated
  NOTE:
  Both ABS wheel speed sensor harness connectors are located under the rear seat bench.
Clamping sleeve
- Before installing in wheel bearing housing, coat with brake assembly lube
- Press into wheel bearing housing until seated
Self-locking nut
- Always replace
- 90 Nm (66 ft lb)
  CAUTION:
  Loosen or tighten self-locking nut only when the vehicle is standing on its wheels-risk of accident!
Bolt/washer assembly
- Always replace
- Tighten to 200 Nm (148 ft lb) plus additional 1/4-turn (90°)
  CAUTION:
  Loosen or tighten the bolt/washer assembly only when the vehicle is standing on its wheels-risk of accident!
Suspension strut
Wheel bearing housing