Audi Q7: Sensors
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
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

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
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.

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.

Tightening Specifications
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.

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.

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-

- Torque Wrench 1410 -VAG1410-

- Torque Screwdriver -VAG1624-

- Brake Pedal Actuator -VAG1869/2-.

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

- ESD Work Surface -VAS6613-

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

READ NEXT:
1 - Brake Shield
Refer to
→ Chapter "Brake Shield, Removing and Installing"
2 - Wheel Bearing Housing
3 - Bracket
For brake hose
4 - Bolt
20 Nm
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:
1 - Roof End Strip
Insert in the D-pillar trim panels and press on it until it audibly
engages.
Stretch the rear lid seal lip
Removing and installing. Refer to
→ Chapter "Roof End Strip, Removing and Installing".
2 - Clip
Quantity: 2
Insert in the roof end stri
Component Location Overview - Connectors
1 - Left Front Door Cut-Off Connector
Disconnecting. Refer to
→ Chapter "Front Door Cut-Off Connector, Disconnecting".
2 - Right Front Door Cut-Off Connector
Disconnecting. Refer to
→ Chapter "Front Door Cut-Off C