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Brake Noise

WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
CONDITION  POSSIBLE CAUSES  CORRECTION 
DISC BRAKE CHIRP 1. Excessive brake rotor runout. 1. Diagnose and correct as necessary. See Brakes/Hydraulic/Mechanical/ROTOR, Brake - Diagnosis and Testing .
DISC BRAKE MOAN OR HOWL WHILE BRAKING IN REVERSE 1. Rear disc brake caliper guide pin bolts installed in incorrect locations. 1. Remove lower guide pin bolt and inspect for special sleeve on tip. If sleeve is present, remove upper and lower guide pin bolts and install special sleeved bolt in upper location and standard guide pin bolt in lower location. See Brakes/Hydraulic/Mechanical/CALIPER, Disc Brake - Removal . Perform on both sides of vehicle as necessary.
DISC BRAKE RATTLE OR CLUNK 1. Broken or missing brake pad spring clips/shims. 1. Replace spring clips/shims.
2. Caliper guide pin bolts loose. 2. Tighten guide pin bolts.
DISC BRAKE SQUEAK AT LOW SPEED (WHILE APPLYING LIGHT BRAKE PEDAL EFFORT) 1. Brake pad linings. 1. Replace brake pads.
SCRAPING (METAL-TO-METAL). 1. Foreign object interference with brakes. 1. Inspect brakes and remove foreign object.
2. Brake pads worn out. 2. Replace brake pads. Inspect rotors. Reface or replace as necessary.
SCRAPING OR WHIRRING 1. Wheel speed sensor hitting tone wheel. 1. Inspect, correct or replace faulty component(s).