Why Is Your Audi’s Brake Pedal Hard To Press? Common Causes & Fixes
Do you feel like there is a rock under the brake pedal when you step on it? Your Audi’s braking system is designed to offer smooth and responsive stopping power, but if you find that the brake pedal is hard and stiff to press, then there is something wrong. This can make it difficult to apply the brakes and it also increases the chances of an accident. If you have a hard brake pedal, the following are some of the likely causes and how you can address them.
Common Causes of a Hard Brake Pedal in Your Audi
- Brake Booster Failure: The brake booster is an important component in the Audi’s braking system since it assists in decreasing the amount of force needed to stop the car. It works by increasing the pressure of the force applied to the pedal through the use of vacuum pressure. When the brake booster is bad, the brake pedal is not easy to compress due to increased resistance in the system.
- Vacuum Leak in the Brake System: Your Audi’s braking system is dependent on vacuum pressure from the engine. If there is a leakage in the vacuum system, then the brake booster will fail to work as expected and this will lead to a stiff brake pedal.
- Brake Line Issues: Brake fluid needs to pass through the brake lines for the brake system to function properly and if there are issues with the brake lines, then it will affect the efficiency of the brake system. If the brake line is blocked, bent or compromised in any way, it will put a lot of pressure on the brake system and the brake pedal becomes very hard to press. A brake line can become blocked by rust, dirt in the fluid, or any other physical obstruction to the line.
- Failing Brake Calipers: Brake calipers comprise of pistons that push the brake pads against the rotors to generate the friction that is required to stop the car. If the calipers become rusty, dirty, or lack lubrication, then the braking system may not work properly. A seized brake caliper will cause the car to pull towards one direction while braking and may emit a burning smell at the wheels. The rotors may also wear out unevenly because of uneven pressure on the brake pads.
How To Address A Hard Brake Pedal In Your Audi
- Fixing a Damaged Brake Booster: If the brake booster is damaged, then it needs to be changed immediately. A professional mechanic will check the booster and replace it to ensure that the brakes are working as they should.
- Fixing the Vacuum Leak: Vacuum leaks must be identified and fixed by inspecting all vacuum lines, hoses, and seals for cracks or damage. Replacing the worn out vacuum hoses or tightening loose connections will ensure the system is able to support the braking system.
- Cleaning or Replacing Clogged Brake Lines: Brake lines may be clogged or damaged and if this is the case, they will need to be cleaned or replaced. A mechanic will look for any signs of rust, debris or any signs of leakage on the lines. Sometimes, the blockage can be cleared by simply flushing the brake fluid; however, if the blockage is severe, the brake line must be replaced.
- Replacing Seized Brake Calipers: Seized brake calipers can be repaired by disassembling them, cleaning the parts, and applying lubricants to allow movement. If the caliper pistons are rusted or damaged beyond repair, then the calipers will have to be replaced. Dealing with this problem early will eliminate any chances of experiencing uneven braking and also lessen the wearing of the brake pads and rotors.
Visit JCL Automotive For Brake Fixes
At JCL Automotive in Hellertown, PA, we offer Audi brake system diagnosis and repair services. All of our ASE-certified technicians always utilize proper tools and equipment in order to diagnose and fix problems properly. If you have a hard brake pedal or any other brake problem, do not let the situation get worse. We are honored to provide the residents of Hellertown and the nearby communities with the best care and service for their Audi vehicles. Please, feel free to contact us or come to our shop to arrange an inspection.