ESP AUDI A4 1999 B5 / 1.G ABS Bosch 5.3 Workshop Manual

45-23

- Seal brake lines and threaded holes using plugs
from repair kit, Part No. 1H0 698 311 A.

- Remove nuts from ABS hydraulic control unit
bracket.

- Remove ABS hydraulic control unit.

Installing

Note:
When installing, pay particular attention to the
following points.

Only remove the sealing plugs on the new
hydraulic control unit when the corresponding
brake line is about to be installed.
If the sealing plugs are removed too early the
brake fluid can escape. If this occurs, the unit
will no longer be sufficiently filled or adequately
bled.

- Bleed brake system page 47
-23
.

- Enter radio code.
Pa
ge 6 of 6 Anti-lock Brake S
ystem
(ABS
), Bosch 5.3
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.3