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Excessive brake disc 'run out' indicates that a brake disc is?
worn thin
What is disc run out?
A disc brake rotor with excessive run out is a warped rotor which causes a pulsation in the brake pedal when the brakes are applied. A certain amount of run out is acceptable.
When you brake your car makes a knocking noise at the back right of the car?
With rear drum brake:-The brake drum may be out of round or may have a rust spot in it. -The brake drum may be cracked.With rear disc brake:-The brake disc may have extreme lateral runout or be mounted improperly. -The brake disc may be cracked. This would be dangerous-Combination of soft brake pads and a directional finish on the disc surface. A directional finish may go away with use and take the noise with it.Regardless of brake type:A brake disc or drum mounted to a bent hub flange or bent axle shaft can cause this noise.
Sticking brake caliper?
If the front brake caliper is sticking, the disc may be uneven. Brakes that are left to scrape on the disc for a long time before they are changed will damage the disc enough to cause sticking or slipping.
What are disc brake components?
disc brake components
Is a disc brake the same as a rotor?
The rotor is the disc in the disc brake system.
Front brake caliper sticking?
If the front brake caliper is sticking, the disc may be uneven. Brakes that are left to scrape on the disc for a long time before they are changed will damage the disc enough to cause sticking or slipping.
Why rear brake caliper keeps locking up?
Your brake pads may need replacing, the disc or drum may be warped or cracked, the caliper may need replacing, especially if there is metal on metal friction. Floating caliper (single piston) designs are subject to failure due to sticking which can occur due to dirt or corrosion if the vehicle is not operated regularly. This can cause the pad attached to the caliper to rub on the disc when the brake is released. This can reduce fuel effiency and cause excessive wear on the affected pad. Additional heat generated by the constantly rubbing pad can lead to warping of the disc also.
What would cause one front disc brake to heat up and smoke?
A frozen brake caliper or if you just instaled new brakes and rotors you might have oil on the rotors as they need to be clean before installing.
Does my car need disc brake kits?
A disc brake kit is used to convert an older automobile's drum brakes to disc brakes. Your 2001 Gallant already has disc brakes. It would not require the disc conversion kit. When you begin to hear your brakes squeaking it is time to take your car to the repair shop for new brake pads.
In what situation is drum brake better than disc brake?
In case of cost..drum brake is better than disc brake.
Could disc brake pads crystallize and cause a scrubbing sound?
If they get dirt in they can cause a scrubbing sound, but not very common. I would check all moving parts in that area carefully for something loose.
