Volkswagen Workshop Service and Repair Manuals

Brake Pressure Regulator: Adjustments

Adjusting Brake Pressure Regulator 

Rear axle test pressure too high:
-

Release tension on regulator spring.

Rear axle test pressures too low:
-

Increase tension regulator spring.

Note: 
Do not adjust with brake pedal depressed. Use the following work sequence:
-

Read pressure.

-

Release brake pedal.

-

Adjust spring.

-

Depress brake pedal again.

-

Read pressure and if necessary, readjust.

-

Remove pressure gauges and bleed brake system. Refer to Brake Bleeding.