Volkswagen Workshop Service and Repair Manuals

→ The brake pressure regulator is mounted on a bracket which is in turn fixed to a rear axle mounting bracket and is controlled from the rear axle by a spring.

Checking operation

Firmly depress the brake pedal and release quickly (vehicle standing on its wheels). This must cause the brake pressure regulator lever to move.

Checking and adjusting pressure

Note:

The brake pressure regulator is set with the vehicle unladened1).

1) The term "unladen" means:
The weight of the vehicle ready for the road (full fuel tank, spare wheel, tool kit and jack).

• ‒ Lift vehicle and connect the pressure gauges to front left brake caliper and to the rear right wheel cylinder/caliper.

For required adapter,

=> Volkswagen workshop equipment binder

• ‒ Bleed both gauges.
• ‒ Lower vehicle and bounce the rear of the vehicle several times.

• ‒ → Depress brake pedal and check pressures.
• ‒ Compare figures attained with specifications
  and if necessary adjust.