Brake pressure regulator, checking and adjusting
WARNING: This page is about a different variant/trim than selected.
Special tools and equipment
- VAG 1310 A Brake pressure gauge
The brake pressure regulator is mounted on a bracket mounted to the rear axle. The regulator is controlled from the rear axle by a spring.
Checking function
- Depress the brake pedal and release quickly (vehicle standing on its wheels).
- Brake pressure regulator must move.
Checking and adjusting pressure
NOTE:
The brake pressure regulator is set with the vehicle unladen1).
- Lift vehicle and connect the pressure gauges to left front brake caliper and to right rear wheel cylinder/caliper.
- Bleed both gauges.
- Lower vehicle and bounce rear of vehicle several times.
- Press brake pedal and measure pressures.
- Compare figures attained with specifications. Refer to Specifications for load dependent brake pressure regulator , and if necessary adjust.
1) The term "unladen" means: The weight of the vehicle ready for the road which has a:
Driver's weight of 75 kg (165.34 lb).
Full fuel tank.
Spare wheel, vehicle tool kit and jack installed to relevant stowage points on vehicle.
The fluid reservoir for the windshield/headlight washer system must be full.