Vehicle braking system Audi A4 B6, gasoline
Brake system — design description
Naturally, the A4 needs an effective braking system, because, after all, the maximum speed of the various models ranges from 190 to 245 km/h. The second factor...
Naturally, the A4 needs an effective braking system, because, after all, the maximum speed of the various models ranges from 190 to 245 km/h. The second factor...
Anti-lock braking system in detail
Anti-lock braking system and vehicle stability control system parts: 1 - bracket for mounting hydraulic units, 2 - vacuum pump for brake booster (only for...
Anti-lock braking system and vehicle stability control system parts: 1 - bracket for mounting hydraulic units, 2 - vacuum pump for brake booster (only for...
Brake maintenance: If in doubt, consult a workshop
Your brakes are important for your safety and the safety of other road users, so regular brake inspections are the best investment you can make in life...
Your brakes are important for your safety and the safety of other road users, so regular brake inspections are the best investment you can make in life...
Checking the brake fluid level
1. The brake fluid reservoir is located on the left side of the battery compartment, directly on the brake master cylinder. Check the fluid level in the...
1. The brake fluid reservoir is located on the left side of the battery compartment, directly on the brake master cylinder. Check the fluid level in the...
Checking the condition of the brake system
1. To be able to identify leaks, the underside of the vehicle must be dry. 2. Check the hose and pipe connections and brake calipers. Look for dark or damp...
1. To be able to identify leaks, the underside of the vehicle must be dry. 2. Check the hose and pipe connections and brake calipers. Look for dark or damp...
Checking the brake booster
A prerequisite for the functioning of the brake booster is the correct adjustment of the ball head: 1 — support surface for installation dimension a=159±0.5...
A prerequisite for the functioning of the brake booster is the correct adjustment of the ball head: 1 — support surface for installation dimension a=159±0.5...
Checking the brakes
Find a level road, preferably with little traffic. The following check can only be performed if you have sufficient driving skills, and it should not create...
Find a level road, preferably with little traffic. The following check can only be performed if you have sufficient driving skills, and it should not create...
Measuring brake lining thickness
The linings on the front disc brakes are subject to greater loads than the linings on the rear wheels, therefore they wear out faster. Check the thickness of...
The linings on the front disc brakes are subject to greater loads than the linings on the rear wheels, therefore they wear out faster. Check the thickness of...
Checking the condition of the brake discs and rotor
For this check, you need to remove the front wheels. When checking the condition of the brake discs, be sure to also inspect the brake linings. A flashlight,...
For this check, you need to remove the front wheels. When checking the condition of the brake discs, be sure to also inspect the brake linings. A flashlight,...
Bleeding 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 brake hoses are removed or brake pipes...
If air has entered the brake system, it must be removed. This has to be done, for example, after all work during which brake hoses are removed or brake pipes...
Brake fluid — description and safety precautions
The main components 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....
The main components 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....
Replacing brake fluid
As mentioned above, brake fluid should be changed once every two years, if possible at the end of the cold season. In workshops, a special filling device is...
As mentioned above, brake fluid should be changed once every two years, if possible at the end of the cold season. In workshops, a special filling device is...
Removal and installation the brake fluid reservoir
1. To remove the tank, remove the battery section cover. 2. Remove the connector from the float switch sensor. 3. Attach a bleed hose to the front left brake...
1. To remove the tank, remove the battery section cover. 2. Remove the connector from the float switch sensor. 3. Attach a bleed hose to the front left brake...
Brake master cylinder and brake booster
The main brake cylinder is not repairable, in case of failure it is replaced as a set. The main brake cylinder is removed together with the brake booster. To...
The main brake cylinder is not repairable, in case of failure it is replaced as a set. The main brake cylinder is removed together with the brake booster. To...
Removal and installation the brake hose
The master cylinder and the four wheel brakes are connected to each other by rigid brake lines and strong flexible brake hoses. Work with metal brake lines...
The master cylinder and the four wheel brakes are connected to each other by rigid brake lines and strong flexible brake hoses. Work with metal brake lines...
Replacing the front wheel brake pads
The pads must be replaced on both sides at once. After installing new pads, you should avoid frequent full braking for the first 200 km, otherwise the pads...
The pads must be replaced on both sides at once. After installing new pads, you should avoid frequent full braking for the first 200 km, otherwise the pads...
Removal and installation rear wheel brake pads
Removal and installation of rear disc brake pads is basically the same as on the front wheels. When describing the working operations, we only point out the...
Removal and installation of rear disc brake pads is basically the same as on the front wheels. When describing the working operations, we only point out the...
Removal and installation brake discs
Brake discs should be replaced on both sides at the same time. Replacing the brake discs on only one side can cause uneven braking action. Removing the brake...
Brake discs should be replaced on both sides at the same time. Replacing the brake discs on only one side can cause uneven braking action. Removing the brake...
Restoring the mobility of the front brake cylinder piston
Corrosion on the sliding surfaces of the brake caliper will make it difficult for the caliper parts to move. If the dust seal is defective or poorly installed,...
Corrosion on the sliding surfaces of the brake caliper will make it difficult for the caliper parts to move. If the dust seal is defective or poorly installed,...
Checking the wheel brake cylinder piston (on the front axle)
1. To check the ease of movement of the brake cylinder piston, use a clamp to install a wooden block as a stop in the brake caliper (this pad prevents the...
1. To check the ease of movement of the brake cylinder piston, use a clamp to install a wooden block as a stop in the brake caliper (this pad prevents the...
Handbrake — General Information
With the handbrake, you prevent the car from moving unintentionally when stopped. The handbrake acts on both rear wheels and is mechanically actuated. This...
With the handbrake, you prevent the car from moving unintentionally when stopped. The handbrake acts on both rear wheels and is mechanically actuated. This...
Checking the operation of the handbrake
1. The car should roll at idle speed on a road with a slight slope. Pull the handbrake lever to the first stop notch - the brake should begin to work (the car...
1. The car should roll at idle speed on a road with a slight slope. Pull the handbrake lever to the first stop notch - the brake should begin to work (the car...
Replacing handbrake cables
1. Place the car on jack stands so that you can work underneath it. To make it easier to access the rear calipers, remove the rear wheels, but this is not...
1. Place the car on jack stands so that you can work underneath it. To make it easier to access the rear calipers, remove the rear wheels, but this is not...
Adjusting the handbrake
The handbrake only needs to be re-adjusted when replacing the cables, brake calipers and brake discs. Before adjustment, check whether the handbrake cable is...
The handbrake only needs to be re-adjusted when replacing the cables, brake calipers and brake discs. Before adjustment, check whether the handbrake cable is...
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