Audi Q3: Sensors
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
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
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
3 - Wheel Hub with Wheel Bearing
- The ABS sensor ring is installed in the wheel bearing
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
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.
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.
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.
Special Tools
Special tools and workshop equipment
required
- Brake Pedal Actuator -VAG1869/2-.
- Container -1- from the Brake
Charger/Bleeder Unit -VAS5234-
- Plugs from Repair Kit -1H0 698 311 A-
READ NEXT:
Overview - Front Brakes, 1LJ 1ZD Brakes
1 - Bolt
12 Nm
2 - Brake Rotor
Allocation, refer to the Parts Catalog.
Dimensions, refer to
→ Chapter "Brakes
Depending on the model for each brake caliper two vibration
dampers are installed.
1 - Bolt
10 Nm
Replace after each removal.
2 - Vibration Damper
Installed 2 on
SEE MORE:
Wiring Harness Repair Set -VAS1978-
The Wiring Harness Repair Set -VAS1978- makes optimal repair
quality possible in the realm of vehicle electronics. Using the
tools, repairs affecting harness connectors and for breaks in
wiring can be performed. For this purpose, complete repair wires
wit
Tread Depth, Measuring
Note
When measuring tread depth, take measurements in the main
grooves.
Do not measure on the TWI (tread wear indicator).
Tread depth of a tire must be measured in the main grooves
at the points showing the most wear. Main tread grooves can be
recogniz