Audi Q3 Owners & Service Manuals

Audi Q3: Sensors

Audi Q3 (8U) 2011-2018 Service Manual / Chassis / Brake System / Antilock Brake System / Sensors

Overview - Front Axle Speed Sensor

Audi Q3. Overview - Front Axle Speed Sensor

1 - Wheel Speed Sensor

  • Right Front ABS Wheel Speed Sensor -G45-/Left Front ABS Wheel Speed Sensor -G47-
  • Removing and installing, refer to → Chapter "Right/Left Front ABS Wheel Speed Sensor -G45-/-G47-, Removing and Installing".

2 - Bolt

  • 8 Nm

3 - Wheel Hub with Wheel Bearing

  • The ABS sensor ring is installed in the wheel bearing

4 - Drive Axle

Overview - Rear Axle Speed Sensor

Front Wheel Drive

Audi Q3. Front Wheel Drive

1 - Wheel Speed Sensor

  • Right Rear ABS Wheel Speed Sensor -G44-/Left Rear ABS Wheel Speed Sensor -G46-
  • Removing and installing, refer to → Chapter "Right/Left Rear ABS Wheel Speed Sensor -G44-/-G46-, Removing and Installing".

2 - Bolt

  • 8 Nm

3 - Wheel Hub with Wheel Bearing

  • The ABS sensor ring is installed in the wheel bearing

All Wheel Drive

Audi Q3. All Wheel Drive

1 - Wheel Speed Sensor

  • Right Rear ABS Wheel Speed Sensor -G44-/Left Rear ABS Wheel Speed Sensor -G46-
  • Removing and installing, refer to → Chapter "Right/Left Rear ABS Wheel Speed Sensor -G44-/-G46-, Removing and Installing".

2 - Bolt

  • 8 Nm

3 - Wheel Bearing

  • The ABS sensor ring is installed in the wheel bearing

Right/Left Front ABS Wheel Speed Sensor -G45-/-G47-, Removing and Installing

Removing

- Disconnect the connector -1- from the speed sensor wire and the speed sensor.

- Remove the bolt -2- and remove the speed sensor from the wheel bearing housing.

Installing

Install in reverse order of removal. Note the following:

- Before inserting speed sensor, clean the inner surface of the hole and coat the speed sensor all around with hot bolt paste. For the correct hot bolt paste, refer to the Parts Catalog.

Audi Q3. N45-0353

Right/Left Rear ABS Wheel Speed Sensor -G44-/-G46-, Removing and Installing

Removing

Vehicles with FWD:

- Disconnect the connector -3- from the speed sensor wire and the speed sensor -1-.

- Remove the bolt -2- and remove the speed sensor from the wheel bearing housing.

Audi Q3. A45-10168

AWD Vehicles:

- Disconnect the connector -1- from the speed sensor wire and the speed sensor.

- Remove the bolt -2- and remove the speed sensor from the wheel bearing housing.

Installing

Install in reverse order of removal. Note the following:

- Before inserting speed sensor, clean the inner surface of the hole and coat the speed sensor all around with hot bolt paste. For the correct hot bolt paste, refer to the Parts Catalog.

Audi Q3. A45-10159

Special Tools

Special tools and workshop equipment required

  • Brake Pedal Actuator -VAG1869/2-.

Audi Q3. W00-0679

  • Container -1- from the Brake Charger/Bleeder Unit -VAS5234-

Audi Q3. A02-0334

  • Plugs from Repair Kit -1H0 698 311 A-

Audi Q3. N45-0039

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