why does my car shake when i apply the brakes

Brake Vibration: Common Questions Answered What is Brake Vibration? Brake vibration is where a shaking motion occurs when the brakes in a car or other vehicle are deployed. This can vary from a slight shaking to a quite severe shuddering, depending on the severity of the condition. It can also be known as rotor shimmying or brake pulsation. What causes it? If the brake rotors installed on the vehicle have more than. 05mm of run out (where the brake rotor moves from side to side more than a minimal amount of. 05mm), then brake vibration will occur through the steering. Usually, this is due to one of two different reasons. The face of the disc may have some rust or dirt on it, which is causing the run out figure to be incorrect. Such build up may occur during the lifetime of the rotor, and this can cause the run out to be up to five times the limit installed by the factory. If the problem is not due to this, it may be that a вthin spotв has occurred on the rotor (where there has been intermittent pad contact instead of a constant motion).


When the brake pedal is pressed this causes the brake vibration to occur. This is technically known as Disc Thickness Variation, or DTV for short. As it is essential that your brakes run true, this must be sorted out as quickly as possible. How to rectify the problem The first thing to do is to determine whether it is the front or rear rotors that are causing the brake vibration. If the steering wheel itself is shaking, it is more likely to be the front, whereas if the whole car and bodywork shakes, it will probably be the rear. Additionally, it is not necessarily the pair of rotors that are the problem; it may only be one of them. Finding the location of the shaking is the first step to solving the problem, however. Depending on whether you undertake your own mechanical work, there are two routes to take here. Firstly, you can rectify the brake vibration yourself, or secondly, you can take the vehicle to a garage to resolve the issue.


Either way, if the problem is a dirty disc surface, having the rotors turned or skimmed to present a clean, smooth surface to the brake pads can solve this. If the rotors have a thin spot, they will need to be replaced with new ones. Regardless of which method you choose, they must be checked when fitted back to the car that the run out is the correct measurement. What to look for when choosing a garage to do the work Firstly, ensure the garage you are looking at choosing is reliable в if you can get some recommendations from friends or family as well, this is always helpful. Also, make sure you have a chat with their mechanics and make sure their knowledge seems extensive enough; it is very important they know what they are doing. Competitive pricing is also going to be an issue, but cheapness does not always mean quality, so sometimes it may be better to choose a slightly more expensive option for better service. On the same note, ensure if you are going to turn the rotors or fit new ones yourself, make sure you know what you are doing and donвt hesitate to call a garage if you get stuck or feel unsure.


Safe braking is so important and it is imperative the work is done correctly and safely.
We repair transmissions and perform general automotive repair services for all makes and models including: Acura, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Fiat, Ford, Geo, GMC, Honda, Hyundai, Infiniti, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Lincoln, Mazda, Mercedes, Mercury, Mini, Mitsubishi, Nissan, Pontiac, Porsche, Saab, Saturn, Scion, Subaru, Suzuki, Toyota, Volkswagen, and Volvo. We typically serve customers all over the DFW metroplex, including the cities of Dallas, Fort Worth, Lewisville, Little Elm, The Colony, Farmers Branch, Carrollton, Grapevine, Plano, Allen, Denton, Addison, Irving, Coppell, Richardson, and more! Because of our reputable expertise in high-end, European transmissions, some of our customers even ship transmissions to us from other states!


Our team of independent vehicle repair contractors hasn t always been working at City Auto Clinic, but we ve been networking together in the Dallas area for over 20 years. Most of our team was originally contracting for Freddie s Transmission Service at 3234 Samuell Blvd. in Dallas, TX. After many years in the heart of Dallas, Freddie s Transmission Service moved north to 11607 Harry Hines Blvd. in Dallas, and took the name Freddie s Transmission Service - FixEuro. com. In 2010, Freddie Free decided to pursue other career opportunities, and he closed his business. We recognized the value of Freddie s great staff and customer base, so we continued to maintain relationships and agreements with all of his former contractors. If you were a previous customer of Freddie s Transmission Service, FixEuro. com, or 1A Body Shop, we want to thank you for your business and we know you ll find the same great service here at City Auto Clinic.

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