Chrysler Concorde 2004 Service Manual page 1478

5 - 12 BRAKES - BASE BRAKE SYSTEM
HYDRAULIC/MECHANICAL (Continued)
BRAKE NOISE
CONDITION
DISC BRAKE CHIRP
DISC BRAKE RATTLE OR
CLUNK
DISC BRAKE SQUEAK AT
LOW SPEED (WHILE
APPLYING LIGHT BRAKE
PEDAL EFFORT)
SCRAPING (METAL-TO-
METAL).
OTHER BRAKE CONDITIONS
CONDITION
BRAKES CHATTER
BRAKES DRAG (FRONT OR
ALL)
BRAKES DRAG (REAR
ONLY)
BRAKES GRAB
EXCESSIVE PEDAL
EFFORT
POSSIBLE CAUSES
1. Excessive brake rotor runout.
2. Lack of lubricant on brake caliper
slides.
1. Broken or missing anti-rattle spring
clips or rail shims on shoes.
2. Caliper guide pins loose.
1. Brake shoe linings.
1. Foreign object interference with
brakes.
2. Brake shoes worn out.
POSSIBLE CAUSES
1. Disc brake rotor has excessive
thickness variation.
1. Contaminated brake fluid.
2. Binding caliper pins or bushings.
3. Binding master cylinder.
4. Binding brake pedal.
1. Parking brake cables binding or froze
up.
2. Parking brake cable return spring not
returning shoes.
3. Obstruction inside the center console
preventing full return of the parking
brake cables.
1. Contaminated brake shoe linings.
2. Improper power brake booster assist.
1. Obstruction of brake pedal.
2. Low power brake booster assist.
3. Glazed brake linings.
CORRECTION
1. Follow brake rotor diagnosis and testing.
Correct as necessary.
2. Lubricate brake caliper slides.
1. Replace brake shoes, spring clips or rail
shims as applicable.
2. Tighten guide pins.
1. Replace brake shoes.
1. Inspect brakes and remove foreign object.
2. Replace brake shoes. Inspect rotors.
Reface or replace as necessary.
CORRECTION
1. Isolate condition as rear or front. Reface
or replace brake rotors as necessary.
1. Check for swollen seals. Replace all
system components containing rubber.
2. Replace pins and bushings
3. Replace master cylinder.
4. Replace brake pedal.
1. Check cable routing. Replace cables as
necessary.
2. Replace cables as necessary.
3. Remove console and remove
obstruction.
1. Inspect and clean, or replace shoes.
Repair source of contamination.
2. Refer to Power Brake Booster in the
diagnosis and testing section.
1. Inspect, remove or move obstruction.
2. Refer to power brake booster in the
diagnosis and testing section.
3. Reface or replace brake rotors as
necessary. Replace brake shoes.
LH