Research methods is a broad term. While methods of data collection and data analysis represent the core of research methods, you have to address a range of additional elements within the scope of your research.
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Check the brake pads, and replace them if they are worn. Many disc brakes include a wear indicator designed to make noise if the pad is worn past a certain point. 5. Try different brake pad materials, but remember that noise and effectiveness may be a trade-off.It is best to replace brake pads with a similar material.arnings. 1  Bad brakes are a safety issue. 2  Noisy brakes are a warning sign that the brakes may be bad, but noise alone is not always a hazard. 3  Have noisy brakes checked if you are not sure. 4  Always have the car inspected if brake noise is accompanied by other braking problems, such as pulling to the side upon braking.