torque AUDI A4 1997 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

45-46


- Remove mounting screws (arrows) and swing coolant expansion tank
to side.
Tightening torque: 6 Nm (53 in lb)

Pay attention to bottom mounting (rubber grommet) when installing. - Remove bolts -1- for hydraulic fluid reservoir and swing to side.
Tightening torque: 10 Nm (7 ft lb)
Pa
ge 7 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

45-53

Removing steering column switch

- Unlock steering column adjustment.

- Pull steering column out to stop.

- Remove screw -1- (2x).
Tightening torque: 3 Nm (27 in lb)
- Remove handle -2-.

Note:
When installing, the upper trim panel has to be inserted into the hooks of
the lower trim panel, swiveled down and then screwed tight. - Remove two Phillips head screws (arrows).
Tightening torque: 0.6 Nm (5.4 in lb)
- Remove upper trim panel -1- for steering column switches.
Pa
ge 16 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