Brake system — design description Naturally, the A4 needs an effective braking system, because, after all, the maximum speed of various models ranges from 190 to 245 km / h. The second factor...
Anti-lock braking system in detail Details of anti-lock braking system and vehicle stability control system: 1 - bracket for mounting hydraulic units, 2 - vacuum pump for brake booster (only for...
Brake care: if in doubt, contact a workshop Your safety and the safety of other road users depend on the brakes, so regular checks of the brake system are the best investment in life insurance. Do not be...
Checking the brake fluid level 1. The brake fluid reservoir is located on the left side of the accumulator section, directly on the brake master cylinder. Check the fluid level in the...
Checking the condition of the brake system 1. The underside of the vehicle must be dry to be able to identify leaks. 2. Check up branch pipes and connections of hoses and pipelines, and also brake...
Checking the brake booster A prerequisite for the functioning of the brake booster is the correct adjustment of the ball head: 1 - supporting surface for the installation size a =...
Brake check Look for a level road, with as little traffic as possible. The test described below can only be carried out if you have sufficient driving skills and must not...
Measuring brake lining thickness The pads on the front disc brakes are subjected to more stress than the pads on the rear wheels, therefore they wear out faster. Regularly check the thickness...
Checking the condition of brake discs and rotor For this check, the front wheels must be removed. When checking the condition of the brake discs, be sure to inspect the brake linings. A flashlight, a mirror...
Removal of air from the brake system If air has entered the brake system, it must be removed. This has to be done, for example, after all work, during which the brake hoses are removed or the...
Brake fluid — description and safety measures The main constituents of brake fluid are glycol and polyglycol. This mixture remains fluid even at -40°C, it begins to boil only at a temperature of 270°C....
Brake Fluid Replacement As mentioned above, the brake fluid must be changed once every two years, if possible after the end of the cold season. In workshops, a special filling device...
Removing and installing the brake fluid reservoir 1. In order to remove the tank, dismantle the cover of the battery section. 2. Remove the connector from the float switch sensor. 3. Put on the front left...
Master brake cylinder and brake booster The master brake cylinder is not repairable, in the event of a malfunction it is replaced as a set. The main brake cylinder is removed together with the brake...
Dismantling and installation of the brake hose The master cylinder and four wheel brakes are connected to each other by rigid brake pipes and strong flexible brake hoses. Metal brake lines should be left to...
Replacing the brake linings of the front wheel brakes The pads must be replaced on both sides at the same time. After installing new pads, during the first 200 km, frequent full braking should be refrained from,...
Removal and installation of rear wheel brake pads The dismantling and installation of the disc brake linings of the rear wheels is basically carried out in the same way as on the front wheels. When describing...
Dismantling and installation of brake discs Brake discs should be changed on both sides at once. Replacing the brake discs on only one side can cause uneven brake action. The dismantling of the brake...
Hand brake — general information With the help of the handbrake when stopped, you protect the vehicle from unintentional movement. The hand brake acts on both rear wheels and is mechanically...
Checking the operation of the hand brake 1. The car should idle on a road with a slight incline. Tighten the handbrake lever to the first locking groove - the brake should begin to act (the car must...
Replacing handbrake cables 1. Place the vehicle on jack stands so that you can work under it. To make it easier to access the rear calipers, remove the rear wheels, but this is not...
Handbrake adjustment A new adjustment of the handbrake has to be carried out only when replacing cables, brake calipers and brake discs. Before adjustment check up, whether the...