A8L Quattro Sedan V8-4.2L (AKB) (2002)
Wheel Speed Sensor: Testing and Inspection
Rear Axle
Rear Axle Components, Removing and Installing
Overview
1. Stub axle with ABS wheel speed sensor rotor
^
Front-wheel drive only
^
Check rotor for dirt and damage
^
If rotor is damaged, stub axle with rotor must be replaced
^
Stub axle is supplied with rotor as replacement part
2. Outer CV joint with ABS wheel speed sensor rotor
^
All-wheel drive only
^
Check rotor for dirt and damage
^
If rotor is damaged, outer CV joint with rotor must be replaced
^
Outer CV joint is supplied with rotor as replacement part
3. ABS wheel speed sensor, -G44- or -G46-
^
Identical part on right and left
^
Before installing, install seal and grease all around with brake cylinder paste. Then press in to stop by hand.
4. Seal
5. Clamping sleeve
^
Always replace
^
Identical part on right and left
^
Grease all around with brake cylinder paste before installing in wheel bearing housing
^
Press into wheel bearing housing to stop
6. Clips for ABS wheel speed sensor wire
Removing:
-
Detach wheel speed sensor plug connection and disconnect
-
Detach wheel speed sensor wire from clips
ABS Wheel Speed Sensor Rotor, Checking and Replacing
-
Remove wheel.
-
Pull ABS wheel speed sensor out of wheel bearing housing.