check engine AUDI A4 2000 B5 / 1.G Master Cylinder 25mm Workshop Manual

47-43


7 -
Brake fluid reservoir cap
8 -
Fluid supply hose
From brake fluid reservoir to clutch master
cylinder
9 -
Seal Install in groove in brake master cylinderReplace after removing brake master
cylinder
10 -
Brake servo Removing and installing page 47
-46
Adjusting ball head Fig. 1
Functional check:
- With engine switched off, depress brake
pedal firmly several times (to deplete
vacuum in brake servo).
- Depress and hold brake pedal with
average foot pressure and start engine. If
servo unit is working properly, pedal will
be felt to give slightly under foot (servo
assistance becomes effective).
If malfunctioning:
- Replace as complete unit only.
Pa
ge 3 of 11 Brake master c
ylinder with 25.4 mm
(0.999 in.
) diameter
piston and brake servo, com
ponent summar
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