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Do not use the following answer for you home work but to get your head around it:
- A rotor spins on a bearing (it may be mounted differently but pretty much) as it spins if you watch a single point as the rotor goes past the rotor will wobble. This is run out. A "true"rotor will not measurably wobble or at least not wobble more than the allowed specification
- Another type of run out is how much the bearing will allow the rotor and hub to move side to side. Correct measurement is done so that the in and out slop along the centre of the rotor as viewed from the side is measured.
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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.
What is the max brake disc run out?
Depending on the manufacturer, anywhere from .001" to .006".
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.
What are the symptoms of a broken or cracked rotor?
Disc brake rotor? A pulsation in the brake pedal when applied. Distributor ignition rotor? The engine may not run or run poorly with misfires.
In what situation is drum brake better than disc brake?
In case of cost..drum brake is better than disc brake.
What is the purpose of using a disc brake?
There are many purposes to using a disc brake. Disc brakes are mainly used in industrial drills because the disc brake stops the drill gently so it doesn't overheat.
Can you replace pad brakes with disc brakes?
pad brakes are disc brakes, it's known as changing brake pads for disc setup and changing brake shoes with drum brake setup.
What is the difference between a teves caliper and akebono caliper?
The teves caliper is a single piston disc brake caliper and the akebono caliper is a dual piston disc brake caliper. The teves caliper is a single piston disc brake caliper and the akebono caliper is a dual piston disc brake caliper.
What does a brake caliper look like?
It looks like a hydraulic clamp. When hydraulic pressure is applied with the brake pedal, the caliper clamps the disc brake pads to the disc brake rotor to stop rotation.
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.
