air bleeding AUDI A4 1998 B5 / 1.G 01W Transmission Clutch Mechanism Servicing Workshop Manual

30-10


11 -
Clutch slave cylinder
Installing Page 30
-20
After working on hydraulic clutch
mechanism, bleed clutch slave cylinder
Page 30
-15

Do not press clutch pedal after clutch slave
cylinder has been removed
12 -
Bleeder valve 4.5 Nm (40 in. lb)Observe all CAUTIONS, WARNINGS,
Notes and procedures when bleeding
Page 30
-15

13 -
Bracket
Mounted to transmission
14 -
Bolt 25 Nm (18 ft lb)
15 -
Nut 2 Nm (18 in. lb)
16 -
Seal
17 -
Seal Must not be removed
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30-15

Clutch system, bleeding


Special tools and equipment

VAG1238B brake filling and bleeding appliance
or
VAG1869 brake filling and bleeding appliance

Notes:
When carrying out the following steps, make
sure that no brake fluid escapes onto the
transmission.
The clutch system must be bled after carrying
out work on the hydraulic clutch mechanism.
Top off brake fluid reservoir to "MAX." mark
with brake fluid before bleeding clutch system.

- Pull clutch pedal back to rest position.

- Connect VAG1238B brake filling and bleeding
appliance or VAG1869 but do not switch on.
Pa
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30-16


Note:
While bleeding, make sure bleeder hose remains correctly routed. - Connect bleeder hose -A- to clutch slave cylinder (arrow) and open
bleeder valve.
- Connect bleeder hose with pressure hose to collector bottle.
- Switch on bleeding appliance and let approx. 100 cm3 (approx. 3.4 fl.
oz) brake fluid flow into suitable collection reservoir.
Work pressure: 2.5 bar (36 psi)
- Close bleeder valve.
Tightening torque: 4.5 Nm (40 in. lb).
- Depress clutch pedal several times after completion of bleeding
process.
- Bleed system again if necessary.
Pa
ge 16 of 16 Clutch mechanism, servicin
g
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM01.30.1