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It causes pulsation or shudder on the brake pedals.
Wiki User
∙ 7y ago
Wiki User
∙ 7y agoDepending on the extent of variation it will cause a pulsation in the brake pedal when applied.
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Why does my Brake pedal pulse at low speeds?
This sort of thing is usually caused by brake rotor thickness variation or out-of plane condition. Other possible causes are ovaled brake drums, bent hubs, bent (solid) axles, improperly seated brake rotor or drum.
How does a brake rotor function?
The brake rotor functions similar to the breaks on a bicycle. Each brake rotor contains a rotor and a brake pad. When the brake is applied, the brake pads squeeze the rotor, causing the wheels to stop.
What would cause a brake rotor to rust up on one side?
Bad caliber or brake line
What does car shake when you brake?
Most often this is cause by a warped rotor. In most cases the rotor can be turned and returned to a perfect condition. In some cases the rotor will have to be replaced. Have your brake system inspected and repaired.
Your 2006 Honda CRV steering wheel vibrates when brakes are applied at a speed of 40 miles and above?
Rotors do not warp as many people think.Brake Torque Variation and Disc Thickness Variation are the cause of the issue. Brake Torque Variation (BTV) is a variation of torque across the face of the rotor causing the rotor to slip and catch as brake pads pinch the rotor. The differences in torque across the rotor may be caused by an inconsistent rotor finish or the metallurgy of the rotor.BTV can be caused by uneven deposits of friction material. This might not cause a pulsation in the pedal, but it will cause the vehicle to judder or vibrate. Disc Thickness Variation (DTV). This measurement is the result of measuring the thickness of the rotor surface at multiple spots around the rotor. Subtract the thickest part from the thinnest, and you will have a measurement for DTV. As the thickness variations of the rotor pass through the caliper, the piston moves in and out. This action generates pulsations in the brake pedal that can be felt by the driver. Very small amounts of DTV can create a significant problem. Today, new vehicles are typically built with a thickness variation of less than 0.00078". Thickness variations in excess of 15 microns (0.00059") can easily generate driver complaints. DTV specifications are significantly lower than runout specifications which typically are .002". This is due to the fact that a caliper can "float" or move back and fourth without forcing the piston back into the bore. So what causes BTV and DTV? The answer is not distortion caused by overheating. Heat does play a role as it increases wear on the rotor that causes a "warped" feeling.
What would cause brake shudder on a 2000 grand caravan?
Warped rotor(s).
What is a brake rotor?
A brake rotor is what your brake pads squeeze to slow your car down. The brake pads are mounted in a caliper. When you apply the brakes, the caliper pushes the brakes into the rotor, which then slows down your wheel.Hi, It is a brake rotor, and is the physical disc of a disc brake. Peace, crigbyThe brake rotor is the disk part. Should be shiny from where the brake pads have been rubbing on it.
Why does the car make a loud noise when you brake?
Check the brake pads. The most common cause of the noise is the pad backer grinding against the brake rotor.
Is a disc brake the same as a rotor?
The rotor is the disc in the disc brake system.
What does rear brake rotor mean?
Rear is to the back of the vehicle. Brake rotor is the rotating part of a disc brake.
Do you have to replace rotors each time you do a brake job?
first measure the brake rotor then inspect the rotor surface inspect the brake pad surface if either is rough or irregular then replace the rotor you will have better brake performance and brake pad -rotor life thank you
How do you know when the front rotor on a 1995 Honda Accord is bad?
A bad brake rotor in the front or rear can cause a pulsation in the brake pedal when pressure is applied on the brake pedal when the vehicle is in motion. The brake rotor can be measured with a micrometer to be sure it is within specs and has enough material to be legally resurfaced on a brake lathe. In most cases now rotors are simply replaced with new ones to be cost effective.
