Front Brakes
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cagsjag (09-15-2011)
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This is what I think I understand about brake materials and problems. Anyone please feel free to correct any gaps or misunderstandings on my part.
Brake squeel can be caused by several issues but it is only a high frequency vibration. This was a major problem for automobile mfg.'s when they were obliged to switch from asbestos composit material in the 80's to something else. Customers would continually complain and request warranty service concerning squeeky brakes.
The solution was to use very soft pad compounds that lasted about half the mileage of previous material. Thankfully, the newer materials of the last few years are much improved and last longer, but harder pads can sometimes cause squeel.
For example race brake pads operate at very high temperatures and are extremely hard, and they most often squeel like hell.
Special hi-temperature grease applied to the rear and contact surfaces of the pad can help eliminate or lessen the squeel.
We used to insert a shim at one end of the rear surface of the pad so that it would attack the rotor at a very slight angle and thus eliminate the vibration (squeel)
I hope any of this is a help, constant brake noise can be a real PITA.
Brake squeel can be caused by several issues but it is only a high frequency vibration. This was a major problem for automobile mfg.'s when they were obliged to switch from asbestos composit material in the 80's to something else. Customers would continually complain and request warranty service concerning squeeky brakes.
The solution was to use very soft pad compounds that lasted about half the mileage of previous material. Thankfully, the newer materials of the last few years are much improved and last longer, but harder pads can sometimes cause squeel.
For example race brake pads operate at very high temperatures and are extremely hard, and they most often squeel like hell.
Special hi-temperature grease applied to the rear and contact surfaces of the pad can help eliminate or lessen the squeel.
We used to insert a shim at one end of the rear surface of the pad so that it would attack the rotor at a very slight angle and thus eliminate the vibration (squeel)
I hope any of this is a help, constant brake noise can be a real PITA.
#7
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The Duralast brakes are definitely soft enough that squealing isn't an issue - some have a built in backing pad on the individual pads that also helps. Still have to use a brake grease on the backing to keep the noise down on any pad. I buy the larger squeeze bottle of red CRC brake pad lubricant since I do all my own brake work.
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