Vehicle braking system Audi 80 B4

Brake system specifications
System type Front disc, rear drum or disc, double diagonal chain, with vacuum or hydraulic booster. Rear brake pressure regulator. Handbrake on the rear...

General description
All AUDI 80 vehicles are equipped as standard with a rear brake pressure regulator, which prevents the rear wheels from locking. The ABS system was initially...

Disc brakes
Along with each front wheel, a steel disc rotates, on which the brake caliper is located like a saddle. When you press the brake pedal, the brake pads press on...

Brake discs and pads — checking condition and replacement
1. When removing the wheels to check the condition of the brake pads, the brake discs should also be checked at the same time The surface of the brake discs...

Brake drum — removal, inspection and installation
The rear wheel brakes of the front-wheel drive AUDI 80 models with a 66 kW engine (without ABS) produced before 10/92 were equipped with brake drums. In these...

Brake pads — removal and installation
Removal 1. Remove the brake drum. 2. Press the spring clamp of the brake shoe support pin with pliers and turn it 90°. Hold the support pin from the back of...

Rear disc brakes
Cars with ABS are equipped with a disc brake mechanism on the rear wheels instead of a drum brake mechanism. As on the front wheels, this mechanism is a...

Parking brake
When the parking brake is applied, a rod located under the body bottom approximately in the center of the car moves forward. At the end of this rod is a rear...

Master Brake Cylinder — Removal and Installation
The brake master cylinder is the main one in the braking system. It is located on the left side of the rear of the engine compartment and controls the wheel...

Brake booster — inspection, removal and installation
Disc brakes, unlike drum brakes, do not have a braking effect booster. Therefore, to ensure proper braking action, it is necessary to apply more force to the...

Rear brake fluid pressure regulator
In AUDI 80 cars with front-wheel drive, the brake fluid pressure regulator in the rear brakes is located on the bracket in front of the rear suspension. It...

Brake fluid circulation lines and hoses — removal and installation
Warning! Brake fluid is poisonous. In addition, it has a destructive effect on paintwork. To prevent brake fluid from leaking from the system when...

Air in the brake system — removal
Bleeding the brake system must be performed after repairing the hydraulics, when air gets into the cylinders and pipelines. 1. Fill the expansion tank with new...

ABS system
The ABS system prevents wheel locking by metering the braking force applied to the brake pedal and maintains vehicle control during sudden braking. However,...

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information:

80(B4, 1991-1996)

80(B3, 1986-1991)

80(B3, 1986-1991, petrol)

80(B2, 1979-1986)