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Mar 25, 2016 · Bluing doesn't always mean the rotor is warped, so to your point, it probably doesn't mean the rotor always needs to be replaced. I would look at it as "a visual reason to consider replacing or fully inspecting the brakes". If you have bluing, something went wrong or the car is being driven beyond its abilities.
- Warped brake rotors. This is the number-one braking myth. Perhaps it has become so ubiquitous because, at first, it appears to make sense. If you feel steering wheel vibrations or pedal pulsations when braking, then the disc’s surface must be uneven because it is “warped” from excessive temperatures, right?
- Bigger brakes will help you stop quicker. Brake rotors with a larger radius will increase the lever arm of the braking force over the center of the hub and, therefore, the braking torque applied to the wheel.
- Drilled or slotted brake rotors are better. We’ve already seen that fitting bigger rotors does not necessarily make sense for a normal street-driven vehicle.
- Disc brakes stop faster than drum brakes. Fewer and fewer cars nowadays use drum brakes and those that do only use them on the rear wheels, where the braking forces are lower.
- What Are Brake Rotors?
- Reasons Brake Rotors Need Replacing
- What Is “Machining” Brake Rotors?
- What If I Use Rotors That Are Too Thin?
- Signs That Your Car Might Need Replacement Rotors
- Safety Matters
Depending on the type of rim your vehicle has, chances are you can see them when your car is parked. If you see what looks like a large metal plate, platter or disc, that part is the brake rotor. The brake pads on your car press against the brake rotor, sometimes called the brake disc, to stop the car. Depending on your year and model, you might ha...
As you can imagine, rotors are a vital part of your vehicle’s braking system. Every bit as important as the brake pads. Brake rotors need replacing for several reasons, including: 1. They are too thin. Over time, the rotors do wear down. When they get to be a certain thinness, they will need replacing. 2. If the brake pads become very worn, the met...
Even when you replace the brake pads promptly, everyday wear and tear and heat can cause the rotors to become uneven. Your mechanic will remove the rotors and put them on a machine called a lathe. The lathe will remove a very small amount of metal from the rotor, making it as smooth as the day your car came new from the factory. This is called mach...
For many reasons, some people simply don’t want to replace brake rotors when they are too thin. They may even have a mechanic just install new brake pads because the “rotors look fine.” Driving with brake rotors that are extremely worn will not only make noise, cause the brake pedal or steering wheel to feel strange, but they also create a dangerou...
Most cars give you warning signs that the brake system needs to be looked at. Some important things you might notice when the brake pads or rotors need replacing include: 1. Pulling to one side when braking 2. A vibration in the steering wheel 3. Brake fade (This is when you step on the brakes but the pedal sinks to the floor or the car takes a lon...
You want to keep safety in mind whenever it comes to repairing your vehicle. Brakes play a huge part in the overall safety of you, your passengers, and everyone else on the road. Don’t play games when you notice a problem or a noisecoming from your brakes. You can trust the ASE certified mechanics at My Mechanic to do a complete inspection and repa...
When the car is moving, the rotor spins freely within the caliper and between the brake pads. When the driver steps on the brake pedal and applies the brakes, a hydraulic system forces pistons in the calipers to push the brake pads inward against the rotor, essentially squeezing the disc from opposite sides. It is the friction that is created ...
- Vibrations When Braking. When you press on the brake pedal and feel vibrations from the brake pedal this likely means that your brake rotors are warped and need to be replaced.
- Lip Around Brake Rotor. One way to tell that your brake rotors need to be replaced is by visually inspecting them to determine if there is a lip around the edge of the brake rotor.
- Brake Rotors Have Scoring. Brake rotors should be smooth and not have many surface imperfections. If you notice that your brake rotors have scored or have grooves etched into them this can be a sign that your brake rotors need to be replaced.
- Grinding Noises When Braking. Hearing grinding noises when you are braking is definitely a bad sign and is when you need to inspect your brakes for issues.
May 17, 2024 · The rotors spin along with the wheel, and when the brakes are applied, the brake pads grab the rotor to stop the wheel from spinning. On a motorcycle, however, the front and rear brakes usually operate independently of each other, in contrast to car brakes, which work to slow or stop all four wheels at once.
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Aug 28, 2024 · Using your Ears. Listen for brake noise. When you drive, the car will tell you if the brakes or brake rotors are in need of replacing. Squealing or squeaking is usually an excellent indication. If you hear grinding, head straight to the mechanic, because this is a definite sign that you have brake wear on your pads and they are worn to the metal.
