Audi Q7 Owners & Service Manuals

Audi Q7: Sensors

Overview - Front Axle Speed Sensor

Overview - Front Axle Speed Sensor

1 - Wheel Bearing Housing

  • Clean the inner surface of the hole before inserting the speed sensor.

2 - Front Speed Sensor

  • Right Front ABS Wheel Speed Sensor -G45-
  • Left Front ABS Wheel Speed Sensor -G47-
  • Refer to → Chapter "Right and Left Front ABS Wheel Speed Sensor - G45-/-G47-, Removing and Installing"
  • Coat the speed sensor all around with Grease -G 000 650- before inserting.

3 - Bolt

  • 9 Nm

4 - Bolt

  • Tightening specification. Refer to → Suspension, Wheels, Steering; Rep. Gr.40; Wheel Bearing; Overview - Wheel Bearing.

5 - Wheel Bearing

  • With integrated ABS sensor ring

Overview - Rear Axle Speed Sensor

Overview - Rear Axle Speed Sensor

1 - Wheel Bearing

  • With integrated ABS sensor ring

2 - Wheel Bearing Housing

  • Clean the inner surface of the hole before inserting the speed sensor.

3 - Bolt

  • Tightening specification. Refer to → Suspension, Wheels, Steering; Rep. Gr.42; Wheel Bearing and Trailing Arm; Overview - Wheel Bearing.

4 - Bolt

  • 9 Nm

5 - Rear Speed Sensor

  • Right Rear ABS Wheel Speed Sensor -G44-
  • Left Rear ABS Wheel Speed Sensor -G46-
  • Refer to → Chapter "Right and Left Rear ABS Wheel Speed Sensor - G44-/-G46-, Removing and Installing"
  • Coat the speed sensor all around with Grease -G 000 650- before inserting.

Brake Lamp Switch, Removing and Installing

  Note

Component location. Refer to → Chapter "Overview - Control Module and Hydraulic Unit".

Special tools and workshop equipment required

  • Torque Wrench 1410 -VAG1410-

Removing

- Remove the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.

- Disconnect the connector -1-.

- Remove the bolt -2- and remove the Brake Lamp Switch -F- from the brake master cylinder.

A45-10255

Installing

Install in reverse order of removal and note the following:

- Clean the contact surface -1- for the Brake Lamp Switch -F-.

  • The brake lamp switch must be between the two edges -arrows- of the brake master cylinder.

- Install the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.

A45-10252

Tightening Specifications

  • Refer to -item 17-

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

Special tools and workshop equipment required

  • Torque Wrench 1410 -VAG1410-
  • Lubricant -G 000 650-. Refer to the Parts Catalog.

Removing

- Disconnect the connector -2-.

- Remove the bolt -1- and remove the speed sensor from the wheel bearing housing.

A45-10253

Installing

Install in reverse order of removal and note the following:

- Before inserting the speed sensor, clean the inner surface of the hole and coat the speed sensor all-round with Grease -G 000 650-.

Tightening Specifications

  • Refer to → Chapter "Overview - Front Axle Speed Sensor"

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

Special tools and workshop equipment required

  • Torque Wrench 1410 -VAG1410-
  • Lubricant -G 000 650-. Refer to the Parts Catalog.

Removing

- Disconnect the connector -1-.

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

A45-10208

Installing

Install in reverse order of removal and note the following:

- Before inserting the speed sensor, clean the inner surface of the hole and coat the speed sensor all-round with Grease -G 000 650-.

Tightening Specifications

  • Refer to → Chapter "Overview - Rear Axle Speed Sensor"

Special Tools

Special tools and workshop equipment required

  • Torque Wrench 1331 5-50Nm -VAG1331-

W00-11166

  • Torque Wrench 1410 -VAG1410-

W00-11174

  • Torque Screwdriver -VAG1624-

W00-11187

  • Brake Pedal Actuator -VAG1869/2-.

W00-11589

  • Bleeder bottle from the Brake Charger/Bleeder Unit -VAS5234-

A02-0334

  • ESD Work Surface -VAS6613-

A96-10814

  • M10 plug -item 1- or M12 -item 2- from the Assembly Part Set -5Q0 698 311-
  • Safety Gloves
  • Vehicle Diagnostic Tester
  • Torx insert T25

N45-10322

    READ NEXT:

     Mechanical Components

     Overview - Front Brakes

    1 - Brake Shield Refer to → Chapter "Brake Shield, Removing and Installing" 2 - Wheel Bearing Housing 3 - Bracket For brake hose 4 - Bolt 20 Nm

     Front Brake Pads, Removing and Installing

    Special tools and workshop equipment required Piston Resetting Tool -T10145- Lithium Grease -G 052 150 A2-. Refer to the Parts Catalog.   Caution This procedure contains mandatory replacea

    SEE MORE:

     Glove Compartment Handle, Removing and Installing

    Glove Compartment Handle, Removing and Installing Special tools and workshop equipment required Pry Lever -80-200- Small screwdriver (approximately 70 mm long) or TORX screwdriver T10 (approximately 80 mm long) commercially available Removing - Release the hooks -2- for the glove compar

     Wheel Bolts

    Wheel Bolt Types   Note Make sure the correct wheel bolts are installed. Refer to the Parts Catalog. Standard, One-Piece Wheel Bolt Two-piece wheel bolt, short turnable spherical calotte, primarily for S models. Two-piece wheel bolt, short turnable spherical calotte, primarily for S model

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