Rear Axle, (Front Wheel Drive)

ABS system components for rear axle, (Front wheel drive) removing and installing
1. ABS speed sensor
- Checked by On Board Diagnostic (OBD)
- Before inserting sensor, clean mounting hole inner surface and coat with lubricating paste G 000 650
- Disc brakes
2. Hex socket head bolt, 8 Nm (70 inch lbs.)
3. Stub axle
4. Splash plate
5. Wheel hub with wheel bearing and rotor
- Replace each time after removing
- Only replace complete
- Removing and installing
6. Self-locking 12-point nut, 175 Nm (129 ft. lbs.)
- Replace each time after removing
7. Cap
- Pressing off and driving in
8. Brake disc
9. Phillips-head screw
10. Hex bolt 60 Nm (44 ft. lbs.)
- With dished spring
11. Brake drum
- Brake drum diameter 230 mm (9.06 inch)
- Wear limit 231 mm (9.09 inch)
- Release adjustment before removing brake drum
- Clean thoroughly, check for wear, damage, tolerances, damaged wheel bolt threads and perfect braking surface
12. Back plate with brake shoes
13. Axle beam

Removing and installing speed sensor on rear axle

Removing





- Raise vehicle.
- Disconnect speed sensor and speed sensor wiring connector -1-.
- Remove bolt -2- from stub axle.
- Pull ABS speed sensor out of stub axle.

Installing
- Before inserting speed sensor, clean mounting hole inner surface and coat speed sensor with solid lubricant paste G 000 650.
- Insert speed sensor into hole in stub axle and tighten bolt to 8 Nm (71 inch lbs.)
- Connect speed sensor to speed sensor wiring.

Checking or removing and installing rotor on rear axle
- Raise vehicle.
- Remove wheel.
- Remove bolt for ABS speed sensor from stub axle.
- Pull ABS speed sensor out of stub axle.
- Check rotor is not damaged or dirty.
- If rotor is damaged, remove wheel hub with rotor and replace.

Removing and installing rear speed sensor wiring (front wheel drive)

Special tools and equipment





- VAS 1978 Wiring harness repair kit

Removing:
- Obtain radio code on vehicles with coded radio.
- Disconnect battery.
- Disconnect speed sensor wiring/speed sensor connection.
- Remove rear side panel trim.





- Disconnect speed sensor wiring -arrow- with wire strippers from VAS 1978 and remove faulty wiring.





- Strip 15 mm (5/8 inch) of insulation from end of wire with wire stripper and fold half of stripped wire back.
- Guide in new speed sensor wiring.
- Connect speed sensor to speed sensor wiring.





- Clip in speed sensor wiring -arrow-.
Make sure the wiring is not twisted when installing the speed sensor wiring in the wheel housing.
- Cut 2-pin connector off new speed sensor wiring with wire stripper pliers.
- Strip 15 mm (5/8 inch) of insulation from end of wire with wire strippers and bend back half.
- Connect speed sensor wiring with aid of suitable crimp connector from wiring harness repair kit VAS 1978.