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If the noise only happens during braking, a rotor probably has a very poor surface finish and needs to be resurfaced so as not to rapidly wear the brake pads. If the rotors are drilled or slotted, the noise is perfectly normal and can be ignored.
If the noise occurs while driving along and gets louder at higher speed iit may be due to damaged wheel bearings.
On some vehicles, removing a brake rotor requires removing serviceable wheel bearings. It is necessary to repack the bearings with grease and adjust the freeplay in the bearings when reassembling. Incorrect freeplay or and dirt or grit introduced into the bearings can cause this problem.
With slip-on "hat type" brake rotors, they can sometimes be fused to the wheel hub by rust. Often-times a mechanic will remove the rotor by beating it into submission with a sledge hammer. This can damage sealed bearing units.
What else can I help you with?
Do brake rotors need to be replaced if there is no noise shimmy or other brake issues?
When Brake Rotors Are To Thin To Turn On A Brake Lathe To Have The Minumn Thickness. They Need To Be Replaced.
Is there a rumbling noise when you brake with warped rotors?
There can be. Only way to know is have your brakes and rotors inspected.
What would cause the wheel to make noise when braking?
The most common reason for a wheel to make noise when you brake is the brakes needing replacement. When the brake pads or shoes wear down, the metal scrapes against the metal on the drums or rotors, causing noise.
When you break your car makes a knocking noise?
warped rotors , brake
What would be causing a scrubbing noise in rear brakes when you already replaced brake pads in a 96 grand jeep Cherokee Laredo?
The brake pads might not be adjusted properly. The brake pads can be too tight and have contact with the rotors.
What could be causing disc brake noise at low speed in my vehicle?
Disc brake noise at low speed in a vehicle could be caused by issues such as worn brake pads, rust or debris on the rotors, or caliper problems. It is important to have a professional mechanic inspect and diagnose the specific cause of the noise to ensure safe driving conditions.
Why would outside condenser be making an intermittent roaring noise?
The compressor may have a locked rotor in the condenser causing the loud roaring noise. Another possibility is low refrigerant.
Why does your car vibrate and make thumping noise when you brake?
Rotors are worped most likely
Dodge caravan rear brake noise?
A dodge caravan may be experiencing rear brake noise due to needing new brake pads. This may also be due to worn rotors.
Why do brakes grind when wet?
When brakes get wet, the moisture can cause the brake pads to rub against the rotors unevenly, leading to a grinding noise. This is due to the water interfering with the friction between the pads and rotors, causing a rough and noisy braking experience.
Still have roaring noise with new right and left front hub bearings?
Bearings misassembled, tire nosie, brake noise, noise in axle, noise in transmission, etc.
Why do brakes make noise when wet?
When brakes get wet, the water can cause friction between the brake pads and rotors, leading to noise.
