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What causes a rubbing or more like a grinding sound when the brakes are applied on a 2003 Pontiac Sunfire when the pads are okay and the front brakes were replaced a couple of years ago?
Wiki User
∙ 14y ago
Depending on the driving conditions, the pads may be worn again. I have seen the small metal plates on the pads (wear indicators) begin to contact the rotor while there is still sufficient pad material to last a while longer. I have bent these wear indicators away from the rotor to prevent the noise, not to mention stopping them from gouging your rotors, which they will do! Only bend the wear indicators until they align with some pad still below the contact edge. I would recommend replacing the pads not too long after doing this.
Another possibility is the brake system may need bleeding.
also if the grinding is coming from the rear brakes,it may be your brake cylinders leaking,possibility,of uneven or unneccecary wear on pads could be,seized caliper pins or the piston in the caliper may be seized,i would i myself would not bend the wear indicators,as some pads are held together with rivots,the indicators are there for a reason,take alook at your rotors also as they be worn,maybe not from the outside but look on the inside,rear drums could also be warped,my suggestion,take it to a mechanic,as it's your life and others in your hands when it comes to stopping your vehicleWiki User
∙ 14y ago
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Why would a 2005 Mazda Protege make a high pitched grinding noise from the front right while turning left and driving straight that stops if brakes are applied or when turning right?
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Could be that the rotors are "out of round" and need either to be resurfaced or replaced
