4
Sensors
4.1
Assembly overview – speed sensors on front axle
The overview is shown for the left side of the vehicle as an
example.
1 - Front left speed sensor
-G47- / front right speed sen‐
sor -G45-
❑ ⇒ Rep. gr. 45; Remov‐
ing and installing speed
sensor on front axle
[G45]/[G47]
2 - Bolt
❑ 8 Nm
3 - Wheel bearing housing
4 - Wheel bearing unit
❑ With ABS sensor ring
❑ ⇒ Rep. gr. 45; Check‐
ing ABS sensor ring
❑ ⇒ Running gear, axles,
steering; Rep. gr. 40;
Wheel bearing assem‐
bly; Removing and in‐
stalling wheel bearing
unit
5 - Bolt
❑ ⇒ Running gear, axles,
steering; Rep. gr. 40;
Wheel bearing assem‐
bly; Assembly over‐
view – wheel bearing
assembly
4.2
Assembly overview – speed sensors on rear axle
The overview is shown for the left side of the vehicle as an
example.
ID.4 2021 ➤
Brake system - Edition 07.2021
27
4. Sensors