Brake operation When the driver presses the brake pedal, the push rod (pusher), connected to the pedal, presses two pistons located one behind the other in the main brake...
Brake check (continuous monitoring) First brake at very low speed. On the tracks of rubber on the road, check for cars without ABS that the tracks are the same length, which indicates that the...
Front disc brakes Checking the brake pads The brake pad wear warning light indicates that you need to measure the thickness of the remaining brake pad material. Brake pads...
Removal and installation of the front brake caliper Both calipers are reinforced with so-called ribbed bolts. This bolt has a fine splined surface behind the hex head that holds the bolt in place after...
Rear wheel disc brakes Checking the thickness of the brake linings As a rule, a change in the thickness of the brake linings by 1 mm corresponds to a vehicle mileage of at least...
Brake disc processing Brake discs can be reground if necessary to make them ready for use again. You also need to pay attention to the flatness of the brake disc, i.e. when...
Rear wheel drum brakes Audi models with small engines are equipped with drum brakes on the rear wheels. On this version of the brakes, two brake shoes under the action of the pistons...
Measuring drum brake pads Since the active pad wears faster than the passive rear pad, only the thickness of the front brake pad is measured. Support the car from behind. On the inside...
Removing the brake drum The brake drum can be removed after removing the wheel. Unscrew the wheel bolts. Support the car from behind. Rotate the rim or brake drum so that the hole for...
Master brake cylinder On all cars of the described models, a two-cavity master brake cylinder is installed, equipped with a double reservoir for brake fluid. So both circuits of a...
Brake booster Repair of the brake booster is not possible. If damage is found, it must be replaced. The failure of the brake booster does not mean a loss of brake...
Removal of air from the brake system («bleeding») Bleeding is necessary if the brake pipes are disconnected at some point or air has entered the system in some other way. The brake system must be bled of air...
Parking (manual) brake Removal and installation of a cable of a parking brake When removing the parking brake cable, there are differences between 2-wheel drive and 4-wheel drive...
Anti-lock braking system (ABS) Precautionary measures When working with anti-lock braking system (ABS) the following precautions should be observed: Checking electrical circuits should be...