Q: rear brakes make a knocking noise on 2005 Saturn Ion

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My rear brake shoes/pads and drums were replaced in August 2010 and when I stop at a light or brake the knocking noise appears. I took my car back to Tire Kingdom and they looked at the rear brakes and replace them with another new pairs of brake shoes/pads. Well, the knocking noise appeared again after a day. Do not know why the new brake pads/shoes and drums are making a knocking noise. Any advice will be greatly appreciated.

(1) Answer
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They are not been properly installed. They must be adjusted perfectly if not it would never be right. We can do that service for you for a bout $45 and you wont here that noise again.