New Beetle GLS L4-2.0L (AVH) (2001)
Brake Master Cylinder: Service and Repair
Servicing
Brake master cylinder/brake booster, servicing
CAUTION! Before working on the brake system, read CAUTIONS and WARNINGS.
Note: Master cylinder and brake booster can be replaced separately.
1 - Brake Booster
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With gasoline engines vacuum is taken from the intake manifold
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With Diesel engines a vacuum pump provides the required vacuum
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Functional check:
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With engine off, depress brake pedal firmly several times (to exhaust vacuum in unit).
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Depress brake pedal with average foot pressure, hold and start engine. If brake booster is working properly, pedal will give slightly under
foot (boost becomes effective).
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If booster is not functioning replace complete brake booster
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Separating booster from brake pedal, Refer to Power Brake Assist.
2 - Cap
3 - Brake fluid reservoir
4 - Sealing plug
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Moisten with brake fluid and press into reservoir
5 - Retainer pin
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Install through brake master cylinder
6 - Brake master cylinder
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Cannot be repaired. If faulty, replace as complete unit
7 - Self-locking nut