Volkswagen ID.4: Sensors

• Assembly overview - speed sensor on front axle /on rear axle
• Removing and installing speed sensor on front axle [G45]/[G47]
• Removing and installing speed sensor on rear axle [G44]/[G46]

Assembly overview - speed sensor on front axle /on rear axle

Assembly overview - speed sensor on front axle

The overview is shown for the left side of the vehicle as an example.

1. Wheel bearing housing
2. Front left speed sensor - G47-/front right speed sensor -G45-

• ⇒ Rep. gr. 45; Removing and installing speed sensor on front axle [G45]/[G47]

3. Bolt

• 8 Nm

Assembly overview - speed sensors on rear axle

Overview is shown for left side of vehicle as an example

1. Bolt

• 8 Nm

2. Rear left speed sensor - G46-/rear right speed sensor -G44-

• ⇒ Rep. gr. 45; Removing and installing speed sensor on rear axle [G44]/[G46]

3. Wheel bearing unit

• With ABS sensor ring
• ⇒ Rep. gr. 45; Checking ABS sensor ring
• ⇒ Running gear, axles, steering; Rep. gr. 42; Wheel bearing, trailing arm; Removing and installing wheel bearing unit

Removing and installing speed sensor on front axle [G45]/[G47]

Removing

Front right speed sensor -G45- and front left speed sensor -G47- are referred to hereafter as speed sensor.

Removal and installation are described for the left side of vehicle as an example.

• Raise vehicle.
• Disconnect electrical connector -3- from speed sensor -1-.

• Unscrew bolt -2-, and pull speed sensor -1- out of wheel bearing housing.

Installing

Install in reverse order of removal, observing the following:

• Before inserting speed sensor, clean inner surface of hole, and coat speed sensor all-round with high-temperature paste ⇒ Electronic parts catalogue (ETKA).
• Rep. gr. 45; Assembly overview - speed sensor on front axle

Removing and installing speed sensor on rear axle [G44]/[G46]

Removing

Removal and installation are described for the left side of vehicle as an example.

Rear right speed sensor -G44- and rear left speed sensor -G46- are referred to hereafter as rear speed sensor.

• Raise vehicle.
• Disconnect electrical connector -2- from speed sensor -3-.

• Unscrew bolt -1-, and pull speed sensor -3- out of wheel bearing housing.

Installing

Install in reverse order of removal, observing the following:

• Before inserting rear speed sensor, clean inner surface of hole, and coat rear speed sensor all-round with high-temperature paste ⇒ Electronic parts catalogue (ETKA).

Tightening torques

• ⇒ Rep. gr. 45; Assembly overview - speed sensors on rear axle

Checking ABS sensor ring

Special tools and workshop equipment required

• Sensor gauge for -T10473-

• Remove wheel bearing unit:

• Front wheel bearing unit ⇒ Running gear, axles, steering; Rep. gr. 40; Wheel bearing; Removing and installing wheel bearing unit
• Rear wheel bearing unit ⇒ Running gear, axles, steering; Rep. gr. 42; Wheel bearing, trailing arm; Removing and installing wheel bearing unit

• Use sensor gauge -T10473- -A- to check ABS sensor ring -2- on wheel bearing unit -1- all around.

Test pattern for ABS sensor ring

1. ABS sensor ring is OK
2. ABS sensor ring is defective