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HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 33 (BRAKE SYSTEM)45 - ANTI-LOCK BRAKE SYSTEMABS SYSTEM COMPONENTS ON FRONT AXLE, REMOVING AND INSTALLINGFRONT AXLE SPEED SENSOR, REMOVING AND INSTALLINGNOTES
2009 Audi A6 Base

Front axle speed sensor, removing and installing: Notes

2009 Audi A6 BaseSECTION Notes
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Removing 

  • Loosen wheel bolts.
  • Raise vehicle.
  • Remove wheel.
Fig 1: Unclipping Speed Sensor Wiring From Retainers
GW00019692Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • Unclip speed sensor wiring from retainers - 1  -.
Fig 2: Uncliping Speed Sensor Wiring From Retainers & Disconnecting Speed Sensor Connector
GW00019693Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • Unclip speed sensor wiring from retainers - 1  -.
  • Disconnect speed sensor connector - 2  -.
  • Unclip speed sensor wiring from retainers - 2  -.
Fig 3: Releasing Grommet In Wheel Housing & Removing ABS Speed Sensor From Wheel Bearing Housing
GW00019694Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • Release grommet - 1  - in wheel housing.
  • Remove ABS speed sensor from wheel bearing housing.
  • Disconnect connector.

Installing 

  • Before installing speed sensor, install sealing collar and coat speed sensor all round with lubricating paste G 000 650  .
  • Install ABS speed sensor.
  • Clip speed sensor wiring into retainers and install grommet in wheel housing.

Install wheels → 44 - WHEELS, TIRES, VEHICLE ALIGNMENT .

  • Turn steering completely to left and right and check clearance of speed sensor wire.
RENDER: 1.0x

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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.