Brake Rotor Repair Butte MT

See below for local auto service providers in Butte, MT that give access to brake rotor repair, disc brakes, brake calipers, brake pads, brake rotor replacement, performance brakes, brake kits, pistons, brake judder, brake fluid, fluid leaks, brake boosters and other brake system services.

Bruces Quick Lube and Muffler
(406) 782-6124
1111 E Front Street
Butte, MT
Services
Oil Change and Lube,Brake Repair,Electrical Repair,Mufflers Repair

Dicks Auto and Exhaust
(406) 723-3100
635 Maryland Avenue
Butte, MT
Services
Brake Repair,Electrical Repair,Mufflers Repair

Edams Tire and Automotive
(406) 545-0169
2503 1st Avenue North
Billings, MT
Services
AC and Heating Repair,Brake Repair

Automotion
(406) 756-6628
1257 N Meridian Road
Kalispell, MT
Services
Brake Repair,Tune up Repair

J 4 Automotive
(406) 227-8622
3 Lane Avenue
Helena, MT
Services
Brake Repair,Tune up Repair

Quality Auto Service
(406) 491-0306
1815 Garrison Avenue
Butte, MT
Services
Brake Repair

Lisacs Tire
(406) 494-4450
3600 Harrison Avenue
Butte, MT
Services
Brake Repair

Galles General Repair
(406) 373-6634
5438 Carey Avenue
Shepherd, MT
Services
Auto Inspection,Brake Repair,Emissions Testing

Gyvers Service and Repair
(406) 860-2447
1313 Central Avenue
Billings, MT
Services
Oil Change and Lube,Brake Repair,Truck Parts

Mikeys Gas and Diesel Shop Inc
(406) 755-7479
119 E Reserve Drive
Kalispell, MT
Services
Brake Repair,Transmission Repair,Tune up Repair

Warped Rotors Means Pulsing Brakes

By Bill Siuru, PhD, PE   

When you apply the brakes, you feel a pulsation through the brake pedal and even the steering wheel. You wonder how the brakes and steering are interconnected and what is causing the pulsation. How can it be prevented, and how can it be corrected? And most important, is it a safety issue?

The cause of pulsation and vibration are warped brake rotors. When brakes are applied, the brake calipers press the brake pads against the rotors that rotate with the wheel. If the rotor is warped so the surfaces are not parallel, the caliper pistons are rapidly pushed in and out as the pads contact high and low spots. These pulsations will cause the entire wheel to vibrate. This vibration, often call 'shimmy,' is transmitted to the brake pedal and steering system components to the steering wheel.

While this pulsation can be merely annoying during normal stops, it can be dangerous in a panic stop from high speeds, especially if the warping is severe. Pulsation can affect the proper operation of the anti-lock braking system. Also severe vibration can damage or cause premature wear to the brake system. The damage can be progressive as the warped rotor wears unevenly as it rubs against the brake pads.

There are several causes for warped rotors. It can result from normal wearing of the rotors. It will often occur if you let the brake pads wear to the point where is there is metal-to-metal contact between pads, or what's left of them, and the rotor. Thus, the importance of routine brake pad inspections. Warping can occur if the brakes are very hot after a long trip, or many applications, and then the vehicle is driven through a puddle of cool water.

Incidentally, warped rotors are a bigger problem with the latest models compared to earlier ones fitted with disc brakes. That's because to decrease weight, and thus improve fuel economy, automakers have made brake rotors lighter and more susceptible to warping. Heavier brake rotors can absorb more heat so they are less likely to warp with sudden changes in temperature. While much more expensive vehicles do use carbon fiber and ceramic rotors, most still just use lighter weight, and more warp-prone, steel rotors.

Often pulsations start after a tire has been changed and there is dirt, corrosion or rust on the inner surface of the replaced wheel. This can cause uneven clamping leading to rotor warping. This uneven clamping can also occur from improper tightening of lug nuts. For example, not tightening in the usually recommended two-step, criss-cross tightening technique, and using the improper torque (bolts, lug nets, etc. all use manufacturer-specified levels of torque.) A torque wrench must be used on modern wheels. Air impact wrenches will not torque down the nuts properly. If there is brake pulsating after changing a tire, loosen the nuts and re-torque as soon as possible and you may be able to prevent warping problems.

Can warped rotors be repaired, or must they ...

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