Other Brake Conditions
WARNING: This page is about a different variant/trim than selected.
| CONDITION | POSSIBLE CAUSES | CORRECTION |
|---|---|---|
| BRAKES CHATTER OR VIBRATION | 1. Disc brake rotor has excessive thickness variation. | 1. Isolate condition as rear or front. Reface or replace brake rotors as necessary. |
| 2. Uneven tire wear/wheel - tire imbalance. | 2. Inspect tires & wheels. Balance wheel weights. | |
| BRAKES DRAG (FRONT OR ALL) | 1. Contaminated brake fluid. | 1. Check for swollen seals. Replace all system components containing rubber. |
| 2. Binding caliper pins or bushings. | 2. Replace pins and bushings | |
| 3. Binding master cylinder (not fully returning). | 3. Inspect and Replace master cylinder as necessary. | |
| 4. Binding brake pedal. | 4. Replace brake pedal/bushings. | |
| 5.Brake lamp switch not adjusted properly and mounting bracket is bent. | 5. Straighten mounting bracket and replace brake lamp switch. Refer to REMOVAL . | |
| BRAKES DRAG (REAR ONLY) | 1. Parking brake cables binding or froze up. | 1. Check cable routing. Replace cables as necessary. |
| 2. Parking brake cable return spring not returning shoes. | 2. Replace cables as necessary. | |
| 3. Obstruction inside the center console preventing full return of the parking brake cables. | 3. Remove console and remove obstruction. | |
| 4. Operator error. | 4. Describe operation of electric park brake | |
| 5. Electric park brake does not release. | 5. Refer to DIAGNOSIS AND TESTING . | |
| 6. Electric Parking Brake (EPB) caliper actuators (one or both) are not released. Or the EPB module or EPB actuators are not responding. | 6. EPB module will set codes. | |
| BRAKES GRAB | 1. Contaminated brake pad/shoe linings. | 1. Inspect and clean, or replace shoes/pads and rotors. Repair source of contamination. |
| 2. Improper power brake booster assist. | 2. Refer to Power Brake Booster in this service information. | |
| 3.Damaged wheel or tire. Wheel - tire imbalance. | 3.Inspect wheels and tires. Balance wheel weights. | |
| EXCESSIVE PEDAL EFFORT | 1. Obstruction of brake pedal. | 1. Inspect, remove or move obstruction. |
| 2. Low power brake booster assist. | 2. Refer to Power Brake Booster in this service information. | |
| 3. Glazed brake linings. | 3. Reface or replace brake rotors as necessary. Replace brake shoes/pads. | |
| 4. Brake shoe/pad lining transfer to brake rotor. | 4. Reface or replace brake rotors as necessary. Replace brake shoes/pads. | |
| EXCESSIVE PEDAL EFFORT (HARD PEDAL - CAN'T SKID WHEELS) | 1. Power brake booster runout (vacuum assist). | 1. Check booster vacuum hose and engine tune for adequate vacuum supply. Refer to Power Brake Booster. |
| EXCESSIVE PEDAL TRAVEL (VEHICLE STOPS OK) | 1. Air in brake lines. | 1. Bleed brakes. |
| 2. Brake fluid low in reservoir. | 2.Fill reservoir. Check entire system for leaks; repair or replace as required. | |
| EXCESSIVE PEDAL TRAVEL (ONE FRONT WHEEL LOCKS UP DURING HARD BRAKING) | 1. One of the two hydraulic circuits is malfunctioning. | 1. Inspect system for leaks. Check master cylinder for internal malfunction. |
| PEDAL PULSATES/SURGES DURING BRAKING | 1. Disc brake rotor has excessive thickness variation. | 1. Isolate condition as rear or front. Reface or replace brake rotors as necessary. |
| 2.Worn or damaged tires. | 2.Inspect tires and wheels | |
| 3.Loose wheel bearings. | 3.Inspect wheel bearings | |
| 4.Loose calipers. | 4.Inspect calipers | |
| 5. Wheel - Tire imbalance. | 5. Balance wheel weights. | |
| PEDAL IS SPONGY | 1. Air in brake lines. | 1. Bleed brakes. |
| 2.Power brake booster runout (vacuum assist). | 2.Check booster vacuum hose and engine tune for adequate vacuum supply. Refer to power brake booster diagnosis and testing. | |
| 3.ABS Electric Vacuum Pump (EVP) not functioning. | 3.Refer to the ABS service information and appropriate diagnostic information. | |
| PREMATURE REAR WHEEL LOCKUP | 1. Contaminated brake linings. | 1. Inspect and clean, or replace pads. Repair source of contamination. |
| 2.Anti-lock brake system function issue. | 2. Refer to the ABS service information and appropriate diagnostic information. | |
| STOP LAMPS STAY ON | 1. Stop/Brake lamp switch out of adjustment. | 1. Replace stop lamp switch. Refer to REMOVAL . |
| 2. Brake pedal binding. | 2. Inspect and replace as necessary. | |
| 3.Obstruction in pedal linkage. | 3.Remove obstruction. | |
| 4. Power brake booster not allowing pedal to return completely. | 4. Replace power brake booster. | |
| VEHICLE PULLS TO RIGHT OR LEFT ON BRAKING | 1. Frozen brake caliper piston. | 1. Replace frozen piston or caliper. Bleed brakes. |
| 2.Contaminated brake shoe/pad lining (most likely front lining). | 2. Inspect and clean, or replace pads. Repair source of contamination. | |
| 3. Pinched brake lines. | 3. Replace pinched line. | |
| 4. Leaking piston seal. | 4. Replace piston seal or brake caliper. | |
| 5. Suspension problem. | 5. Refer to the Suspension service information. | |
| 6.Worn or damaged tires. | 6.Inspect tires and wheels. | |
| 7. Wheel - Tire imbalance. | 7. Balance wheel weights. | |
| PARKING BRAKE - EXCESSIVE LEVER/HANDLE TRAVEL | 1. Broke cable. | 1.Replace broken cable. |
| 2. Binding cable. | 2.Replace binding cable. | |
| 3. Damaged lever at rear brake caliper. | 3.Replace rear brake caliper. | |
| 4. Parking brake shoes/pads out of adjustment. | 4. Adjust parking brake shoes/pads. | |
| 5. Binding/frozen rear brake caliper piston. | 5.Replace rear brake caliper. |