Brake Rotor Repair Bozeman MT

See below for local auto service providers in Bozeman, 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.

Tire World
(406) 556-0488
715 E Mendenhall Street
Bozeman, MT
Services
Brake Repair

Gensemers Auto Center
(406) 587-8438
320 W Griffin Drive
Bozeman, MT
Services
Brake Repair

Precision Automotive Repair
(406) 522-3911
115 Commercial Drive, # B
Bozeman, MT
Services
Brake Repair,Electrical Repair,Mufflers Repair,Truck Parts

Keysers Auto Repair
(406) 586-9449
100 Maus Lane, # A
Bozeman, MT
Services
Oil Change and Lube,Brake Repair

Auto Stop
(406) 586-5451
1401 E Main Street
Bozeman, MT
Services
Brake Repair,Clutch Repair

Firestone Complete Auto Care
(406) 587-1291
810 N 7th Avenue
Bozeman, MT
Services
AC and Heating Repair,Alignment Repair,Brake Repair,Retail Tire

Intensive Car
(406) 587-2286
605 N 7th Avenue
Bozeman, MT
Services
Oil Change and Lube,Brake Repair

Fosters Master Tech
(406) 586-8712
2105 Lea Avenue, # B
Bozeman, MT
Services
AC and Heating Repair,Brake Repair,Car Detailing,Electrical Repair,Interior Cleaning,Mufflers Repair

B and B Auto Repair
(406) 587-5306
107 Commercial Drive, # C
Bozeman, MT
Services
Brake Repair,Electrical Repair,Mufflers Repair

Big O Tires
(406) 522-8969
620 N 7th Avenue
Bozeman, MT
Services
Brake 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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