Volkswagen Golf / Golf GTI / Jetta. Manual — part 424

45-78

Speed sensor on front axle,
removing and installing

Removing

- Raise vehicle.

Installing

- Separate speed sensor and

speed sensor wiring connector -1-
.

- Remove bolt -2- from wheel

bearing housing.

- Pull ABS speed sensor from

wheel bearing housing.

- Before inserting speed sensor,

clean hole inner surface and coat
speed sensor all-round with solid
lubricant paste G 000 650.

- Insert speed sensor into hole in

wheel bearing housing and
tighten bolt to 8 Nm (71 in. lb).

- Connect speed sensor to speed

sensor wiring.

- Turn wheels fully onto left and

right-hand lock and check
clearance to speed sensor wiring.

ABS system components for front and rear axles, removing and installing

45-79

Rotor on front axle, checking or removing

- Raise vehicle.

- Remove wheel.

- Rotate brake disc and check rotor is not

damaged or dirty.

- If rotor is damaged, remove wheel hub with rotor

and replace.

Repair Manual, Suspension, Wheels,

Steering, Repair Group 40; Servicing front wheel
suspension; II - Servicing wheel bearing

Checking rotor lateral run-out

- Raise vehicle.

- Remove wheel.

Dimension a = 0.3 mm (0.0118 in.)

Repair Manual, Suspension, Wheels, Steering,

Repair Group 40; Servicing front wheel suspension;
II - Servicing wheel bearing

- Turn wheel hub and check gap dimension

between rotor and speed sensor is even.

- If rotor is damaged, remove wheel hub with rotor

and replace.

ABS system components for front and rear axles, removing and installing

45-80

Front speed sensor wiring,
removing and installing

Special tools and equipment

Removing

VAS 1978 Wiring harness repair

set

- Obtain radio code on vehicles

with coded radio.

- Disconnect battery.

ABS system components for front and rear axles, removing and installing

45-81

- Release control unit connector

(arrow -1-) and pull off (arrow -2-).

- Release multi-pin connector cover

cap with a screwdriver and
remove.

ABS system components for front and rear axles, removing and installing