Volkswagen Passat 1995 Official Factory Repair Manual page 3560

Brake pressure regulator, checking and adjusting
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Adjusting regulator
Rear axle test pressure too high:
- Release tension on regulator spring.
Rear axle test pressures too low:
- Tension regulator spring.
Note:
Do not adjust with brake pedal depressed,
therefore observe the following sequence:
- Read off figures.
- Release pedal.
- Adjust spring.
- Depress pedal again.
- Read off figures and if necessary, readjust.
- Remove pressure gauges and bleed brake
system Page 47-27
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12/7/2004
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