CONDITION
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POSSIBLE CAUSES
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CORRECTION
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RED BRAKE WARNING INDICATOR ON
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1. Parking brake lever not fully released.
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1. Release parking brake lever.
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2. Parking brake warning switch on parking brake lever.
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2. Inspect and replace switch as necessary.
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3. Brake fluid level low in reservoir.
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3. Fill reservoir. Check entire system for leaks. Repair or replace as required.
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4. Brake fluid level switch.
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4. Disconnect switch wiring connector. If lamp goes out, replace switch.
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5. Mechanical instrument cluster (MIC) problem.
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5. Refer to appropriate diagnostic information.
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6. ABS EVBP malfunction.
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6. Refer to ABS section and appropriate diagnostic information.
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CONDITION
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POSSIBLE CAUSES
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CORRECTION
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DISC BRAKE CHIRP
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1. Excessive brake rotor runout.
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1. Diagnose and correct as necessary.
(Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/ROTORS - DIAGNOSIS AND
TESTING)
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DISC BRAKE MOAN OR HOWL WHILE BRAKING IN REVERSE
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1. Rear disc brake caliper guide pin bolts installed in incorrect locations.
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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
(Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/DISC BRAKE CALIPERS - REMOVAL). Perform on both sides of vehicle.
Replace rear brake pads.
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DISC BRAKE RATTLE OR CLUNK
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1. Broken or missing brake pad spring clips/shims.
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1. Replace spring clips/shims.
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2. Caliper guide pin bolts loose.
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2. Tighten guide pin bolts.
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DISC BRAKE SQUEAK AT LOW SPEED (WHILE APPLYING LIGHT BRAKE PEDAL EFFORT)
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1. Brake pad linings.
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1. Replace brake pads.
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SCRAPING (METAL-TO-METAL).
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1. Foreign object interference with brakes.
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1. Inspect brakes and remove foreign object.
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2. Brake pads worn out.
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2. Replace brake pads. Inspect rotors. Reface or replace as necessary.
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SCRAPING OR WHIRRING
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1. Wheel speed sensor hitting tone wheel.
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1. Inspect, correct or replace faulty component(s).
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CONDITION
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POSSIBLE CAUSES
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CORRECTION
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BRAKES CHATTER
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1. Disc brake rotor has excessive thickness variation.
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1. Isolate condition as rear or front. Reface or replace brake rotors as necessary.
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BRAKES DRAG (FRONT OR ALL)
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1. Contaminated brake fluid.
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1. Check for swollen seals. Replace all system components containing rubber.
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2. Binding caliper pins or bushings.
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2. Replace pins and bushings
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3. Misadjusted stop lamp switch.
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3. Replace stop lamp switch.
(Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/BRAKE LAMP SWITCH - REMOVAL)
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4. Master cylinder not fully returning.
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4. Inspect master cylinder and replace as necessary.
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5. Binding brake pedal.
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5. Replace brake pedal/bushings.
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BRAKES DRAG (REAR ONLY)
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1. Parking brake cables binding or froze up.
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1. Check cable routing. Replace cables as necessary.
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2. Parking brake cable return spring not returning shoes.
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2. Replace cables as necessary.
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3. Obstruction inside the center console preventing full return of the parking brake cables.
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3. Remove console and remove obstruction.
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BRAKES GRAB
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1. Contaminated brake linings.
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1. Inspect and clean, or replace pads. Repair source of contamination.
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2. Improper power brake booster assist.
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2. Refer to Power Brake Booster in this section.
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EXCESSIVE PEDAL EFFORT
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1. Obstruction of brake pedal.
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1. Inspect, remove or move obstruction.
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2. Low power brake booster assist.
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2. Refer to Power Brake Booster in this section.
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3. Glazed brake linings.
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3. Reface or replace brake rotors as necessary. Replace brake pads.
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4. Brake lining transfer to brake rotor.
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4. Reface or replace brake rotors as necessary. Replace brake pads.
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EXCESSIVE PEDAL EFFORT (HARD PEDAL - CAN'T SKID WHEELS)
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1. Power brake booster runout (vacuum assist).
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1. Check booster vacuum hose and engine tune for adequate vacuum supply. Refer to Power Brake Booster.
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EXCESSIVE PEDAL TRAVEL (VEHICLE STOPS OK)
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1. Air in brake lines.
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1. Bleed brakes.
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EXCESSIVE PEDAL TRAVEL (ONE FRONT WHEEL LOCKS UP DURING HARD BRAKING)
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1. One of the two hydraulic circuits is malfunctioning.
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1. Inspect system for leaks. Check master cylinder for internal malfunction.
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PEDAL PULSATES/SURGES DURING BRAKING
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1. Disc brake rotor has excessive thickness variation.
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1. Isolate condition as rear or front. Reface or replace brake rotors as necessary.
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PEDAL IS SPONGY
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1. Air in brake lines.
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1. Bleed brakes.
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PREMATURE REAR WHEEL LOCKUP
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1. Contaminated brake linings.
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1. Inspect and clean, or replace pads. Repair source of contamination.
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3. EVBP not functioning.
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3. Refer to the ABS section and appropriate diagnostic information.
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STOP LAMPS STAY ON
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1. Stop lamp switch out of adjustment.
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1. Replace stop lamp switch.
(Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/BRAKE LAMP SWITCH - REMOVAL)
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2. Brake pedal binding.
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2. Inspect and replace as necessary.
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3. Power brake booster not allowing pedal to return completely.
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3. Replace power brake booster.
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VEHICLE PULLS TO RIGHT OR LEFT ON BRAKING
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1. Frozen brake caliper piston.
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1. Replace frozen piston or caliper. Bleed brakes.
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2. Contaminated brake lining (most likely front lining).
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2. Inspect and clean, or replace pads. Repair source of contamination.
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3. Pinched brake lines.
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3. Replace pinched line.
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4. Leaking piston seal.
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4. Replace piston seal or brake caliper.
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5. Suspension problem.
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5. Refer to the Suspension section.
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PARKING BRAKE - EXCESSIVE HANDLE TRAVEL
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1. Parking brake shoes out of adjustment.
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1. Adjust parking brake shoes.
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