clutch AUDI A4 1999 B5 / 1.G Master Cylinder 23mm Workshop Manual
Page 4 of 15
47-32
8 -
Gasket
9 -
Vacuum hose
Insert into brake servo
10 -
Brake fluid reservoir
11 -
Fluid reservoir cap
12 -
Sealing plugs
13 -
Supply hose Where applicableFrom brake fluid reservoir to clutch master
cylinder
14 -
Bulkhead
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ylinder with 23.81 mm
(0.937 in.
) piston diameter and brake servo, com
ponent summar
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11/20/2002 htt
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Page 8 of 15
47-35
- On vehicles with manual transmission, disconnect clutch master
cylinder supply hose -1- and seal with plug.
- Disconnect harness connector from brake fluid level warning switch -2-.
- Disconnect brake lines -1- on brake master cylinder and seal brake
lines and threaded holes using plugs from repair kit.
- Remove brake master cylinder mounting nuts -2-.
- Carefully remove brake master cylinder from brake servo.
Pa
ge 8 of 15 Brake master c
ylinder with 23.81 mm
(0.937 in.
) piston diameter and brake servo, com
ponent summar
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play?action=Goto&t
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pair&id=AUDI.B5.SU03.47.6
Page 9 of 15
47-36
Installing
When installing, note the following points:
- When installing brake master cylinder onto
brake servo, make sure push rod is correctly
located in brake master cylinder.
- Apply slight pressure to brake pedal to move
push rod toward brake master cylinder; this
makes it easier to guide brake master cylinder
onto push rod.
Bleeding clutch hydraulics
- Connect US1116 brake bleeder but do not
switch on yet.
- Open bleeder screw on clutch slave cylinder.
- Attach collector bottle hose.
- Switch on bleeder unit and allow approx. 100 cc
(6 oz.) of brake fluid to flow out of clutch slave
cylinder.
- Close bleeder screw.
Pa
ge 9 of 15 Brake master c
ylinder with 23.81 mm
(0.937 in.
) piston diameter and brake servo, com
ponent summar
y
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.47.6
Page 13 of 15
47-38
- Cover engine compartment to catch any spilled
brake fluid.
CAUTION!
Brake fluid must not be allowed to come into
contact with paintwork because of its caustic
effect.
- On vehicles with manual transmissions, disconnect clutch master
cylinder supply hose -1- and seal with plug.
- Disconnect harness connector from brake fluid level warning switch -2-.
- Disconnect brake lines -1- on brake master cylinder and seal brake
lines and threaded holes using plugs from repair kit.
-
Remove T45 Torx bolts -2- from brake servo.- Disconnect vacuum hose from brake servo.
Pa
ge 13 of 15 Brake master c
ylinder with 23.81 mm
(0.937 in.
) piston diameter and brake servo, com
ponent summar
y
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.47.6
Page 15 of 15
47-40
Installing
Note the following points:
- Adjust brake light switch page 46
-50
.
- Adjust vent valve for cruise control system
page 46
-54
.
Bleeding clutch hydraulics
- Connect US1116 brake bleeder but do not
switch on yet.
- Open bleeder screw on clutch slave cylinder.
- Attach collector bottle hose.
- Switch on bleeder unit and allow approx. 100 cc
(6 oz.) of brake fluid to flow out of clutch slave
cylinder.
- Close bleeder screw.
- Bleed brake system page 47
-23
.
Pa
ge 15 of 15 Brake master c
ylinder with 23.81 mm
(0.937 in.
) piston diameter and brake servo, com
ponent summar
y
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.47.6