Question about 2005 Chevrolet Cobalt
Warped disc, or loose brake caliper bolts, or brake pads without retaining springs or simply the pads have worn right down and you are receiving the bump warning on the disc. Remove the front wheel(s) and inspect pads and then check brake caliper retaining bolts. Turn the wheel so that you have an unhindered view of the rear of the brake caliper assembly. Rotate the hub and as you do so watch what happens to the disc rotor between the pads. If the disc rotor is seen to deviate from what should be a straight spin then it is warped and will need to be changed. Check the other wheel to be sure and to act as a reference to normal function...it is rare for both disc rotors to warp at the same time. If one disc rotor is at fault the general rule is to replace the other at the same time.
Posted on May 05, 2010
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Posted on Jan 02, 2017
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