1997 AUDI A4 air bleeding

30-11


CAUTION!
Do not operate after the clutch pedal has been
removed.
Brake fluid must not be allowed to get onto the
transmission.
CAUTION!
Fill the brake fluid reservoir up to the "max"
marking with brake fluid before bleeding the
hydraulic clutch system with the brake bleeder. 12 -
Clutch slave cylinder

Coat plunger of clutch slave cylinder with
copper grease e.g. Z381 351 TE
For clutch slave cylinders with plastic support
ring, lightly lubricate outer surface of ring before
installing
When installing, push in until bolt can be
installed
13 -
Bleeder valve
4.5 Nm (40 in. lb)Observe all CAUTIONS, WARNINGS,
Notes and procedures when bleeding
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11/19/2002 htt
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e=re
pair&id=AUDI.B5.TM02.30.1

30-17

Clutch system, bleeding


Special tools and equipment

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

WARNING!

Brake fluid is poisonous.
It must NEVER be removed by siphoning
with your mouth.
If brake fluid contacts skin or eyes, flush or
wash adequately to prevent irritation. Get
medical attention immediately if necessary.
Brake fluid must be disposed of properly.
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11/19/2002 htt
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pair&id=AUDI.B5.TM02.30.1

Top-off brake fluid reservoir to "max." marking
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.

- If necessary, remove noise insulation panel
under transmission.
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ge 21 of 22 Clutch mechanism, servicin
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11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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e=re
pair&id=AUDI.B5.TM02.30.1

30-19


CAUTION!
Always comply with disposal regulations.
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 22 of 22 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.TM02.30.1