sensor AUDI A4 2000 B5 / 1.G ESP Service Workshop Manual

45-41


Electronic Stability Program
(ESP) hydraulic unit, servicing The tightening torque for all brake lines on the Audi
A4 is 15 Nm (11 ft lb).
1 -
ESP hydraulic unit
Always replace complete unit
2 -
Nut 12 Nm (9 ft lb)
3 -
Bolt and washer assembly 9 Nm (80 in lb)3x
4 -
Resilient bushing 2x
5 -
ESP hydraulic pump -V156- Assembly includes brake pressure sensor
6 -
Resilient pad Pad stud mount to hydraulic pump: 2 Nm
(18 in lb)
7 -
Vehicle body
Pa
ge 1 of 18 Electronic Stabilit
y Pro
gram
(ESP
) hydraulic unit, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.5

45-52

Steering angle sensor, removing and
installing


WARNING!

Before working on any airbag, steering wheel
or steering column components, first always
disconnect the battery.
The wheels should be in a straight ahead
position before removing the steering wheel.
Failing to observe these safety precautions
may result in failure of the airbag system
when the vehicle is driven.

CAUTION!

Before disconnecting the battery, determine
the correct coding for the anti-theft radio.

- Remove drivers side airbag from steering
wheel.

Repair Manual, Suspension, Wheels,
Steering, Repair Group 48


- Disconnect airbag harness connector.
Pa
ge 14 of 18 Electronic Stabilit
y Pro
gram
(ESP
) hydraulic unit, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.5

Repair Manual, Suspension, Wheels, Steering, Repair Group 48
- Disconnect harness connector for steering angle sensor (arrow).
- Remove steering wheel.
Pa
ge 15 of 18 Electronic Stabilit
y Pro
gram
(ESP
) hydraulic unit, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.5

45-54


- Remove screws -2- (2x).
Tightening torque: 0.6 Nm (5.4 in lb)
- Remove hex socket head screw -1-.
Tightening torque: 0.6 Nm (5.4 in lb)
- Remove lower steering column trim panel -3-.

- Release steering angle sensor at catches (arrows).
Pa
ge 17 of 18 Electronic Stabilit
y Pro
gram
(ESP
) hydraulic unit, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.5

45-55


Installing
Installation is the reverse of removal.
Repair Manual ABS/EDL/ASR On Board Diagnostic (OBD), Repair
Group 01 - Disconnect harness connectors (arrows).
- Carry out zero adjustment of steering angle sensor.
Pa
ge 18 of 18 Electronic Stabilit
y Pro
gram
(ESP
) hydraulic unit, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.5