air bleeding AUDI A4 1998 B5 / 1.G ESP Service Workshop Manual

45-48

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.

- Bleed brake system page 47
-23
.

Bleeding brake system using US1116 brake
bleeder

- Connect US1116 brake bleeder.

- Open bleeder screws in the following sequence
and bleed brake calipers (assist with pedal
pressure, if necessary).

Bleeding sequence

2 - Left-rear brake caliper
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