Therefore, when slot groove disappear it is a sign as replacement time. Is it better to change the brake pads and brake discs at the same time? This is one of the most frequently asked questions. The answer is YES. The following is a simple illustration The points that are circled in RED are only points that the brake pad is in contact with the braking surface of the brake disc.
Brake disc with surface cracks. Brake discs in bad condition can not only cause decreased brake performance but also cause brake noise. It is dangerous to drive with over-weared brake discs! Sometimes a mechanic will only recommend replacing your brake pads; this is usually due to your brake discs not showing too much wear and tear. If your mechanic recommends this, make sure that they check the brakes are all even to avoid uneven wear.
Need help with your order? My Account Hello Guest. How Do Brake Discs Work? Stopping Takes Longer Wear and tear on your brake discs can reduce their ability to slow the vehicle down and cause vibrations through the brake pedal. Vibrations Any scores and grooves on a brake disc can cause vibrations to be felt throughout the car and mainly through the brake pedal.
Visible Damage Checking for any visible damage to your brake discs regularly is an excellent habit to get into if you can, especially before long journeys. There are several things you can do to try and make your discs last longer: Brake gently Try not to ride the brakes Slow down without the brakes if you can Keep your brakes clean.
Sign up for the latest news, offers and ideas:. After enough heat cycles of expansion and contraction, the surface of the disc looks like a patch of arid ground. If any cracks in the disc face appear to go the entire way through the disc face, the disc should be replaced immediately. Below are some examples of a terminally-cracked discs.
Don't forget about inner disc face! Some people only peek through the wheels and look at the outer disc face. That's a big 'no-no. It's not at all uncommon for AP Racing J Hook discs to develop a groove or ridge in the center of the disc where the J Hook slots converge see pic below. That groove is a result of the J Hook slot design. We see it all the time across all applications, and it doesn't in any way impact performance. Here's why it happens: If you notice where that ridge forms on the disc face, it's at the termination of the J Hook slots.
The pad material that gets scraped off the pad with each rotation disc rotation fills up the slots. If you think about the direction the disc is spinning, the 'back' of the J hook the arced part is leading into the pad. That pad material then exits at the tapered ends of the slots see the red arrows in the image below. In the spot where that groove is, you're getting pad material exiting from both ends of adjacent J Hook slots. In other words, at that spot in the center of the disc face, you have pad material exiting the 'top' of the J from the slot closest to the hub, and the 'bottom' of the J on the adjacent slot closest to the OD of the disc.
Your brake light won't always come on when there is an issue — it's also the light that appears on your dash when your parking brake is engaged. But if you're seeing a brake warning light and your parking brake isn't engaged, it's time to have a brake expert take a look at your system to diagnose your issues. One way to easily check on your brake pads is to visually inspect them for wear. To do this, look between the spokes of your wheels and locate your brake pad.
If you're experiencing any of the above symptoms, let our expert brake techs provide a diagnosis. We provide top-rated, affordable brake repair services at your work or home. Receive a free brake repair estimate or give us a call at to discuss what you're experiencing!
0コメント