Problem Symptoms Table
Use to help determine the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.
BRAKE SYSTEM (2GR-FSE)
PROBLEM SYMPTOMS TABLE (2GR-FSE)
| Symptom | Suspected area | Reference |
|---|---|---|
| Low pedal or spongy pedal | Fluid leaks in brake system | BRAKE FLUID |
| Air in brake system | BRAKE FLUID | |
| Piston seals are worn or damaged (FRONT) | DISASSEMBLY | |
| Piston seals are worn or damaged (REAR) | DISASSEMBLY | |
| Master cylinder is faulty | REMOVAL | |
| Booster push rod clearance is out of adjustment | REMOVAL | |
| Brake drag | Brake pedal freeplay is insufficient | ADJUSTMENT |
| Parking brake pedal travel clearance is out of adjusment | ADJUSTMENT | |
| Parking brake cable is stuck | REMOVAL | |
| Parking brake shoe clearance is out of adjustment | DISASSEMBLY | |
| Pad is cracked or distorted (FRONT) | INSPECTION | |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Piston is stuck (FRONT) | DISASSEMBLY | |
| Piston is stuck (REAR) | DISASSEMBLY | |
| Piston is seized (FRONT) | DISASSEMBLY | |
| Piston is seized (REAR) | DISASSEMBLY | |
| Booster push rod clearance is out of adjustment | REMOVAL | |
| Vacuum leaks in booster systems | ON-VEHICLE INSPECTION | |
| Master cylinder is faulty | ON-VEHICLE INSPECTION | |
| Brake pull | Piston is stuck (FRONT) | DISASSEMBLY |
| Piston is stuck (REAR) | DISASSEMBLY | |
| Pad is oily (FRONT) | INSPECTION | |
| Pad is oily (REAR) | INSPECTION | |
| Piston is seized (FRONT) | DISASSEMBLY | |
| Piston is seized (REAR) | DISASSEMBLY | |
| Disc is scored (FRONT) | INSPECTION | |
| Disc is scored (REAR) | INSPECTION | |
| Pad is cracked or distorted (FRONT) | INSPECTION | |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Hard pedal but brake inefficient | Fluid leaks in brake system | BRAKE FLUID |
| Air in brake system | BRAKE FLUID | |
| Pad is worn (FRONT) | INSPECTION | |
| Pad is worn (REAR) | INSPECTION | |
| Pad is cracked or distorted (FRONT) | INSPECTION | |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Pad is oily (FRONT) | INSPECTION | |
| Pad is oily (REAR) | INSPECTION | |
| Pad is glazed (FRONT) | INSPECTION | |
| Pad is glazed (REAR) | INSPECTION | |
| Disc is scored (FRONT) | INSPECTION | |
| Disc is scored (REAR) | INSPECTION | |
| Booster push rod clearance is out of adjustment | REMOVAL | |
| Vacuum leaks in booster system | ON-VEHICLE INSPECTION | |
| Noise from brakes | Pad is cracked or distorted (FRONT) | INSPECTION |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Installed bolt is loosen (FRONT) | REMOVAL | |
| Installed bolt is loosen (REAR) | REMOVAL | |
| Disc is scored (FRONT) | INSPECTION | |
| Disc is scored (REAR) | INSPECTION | |
| Pad support plate is loosen (FRONT) | REMOVAL | |
| Pad support plate is loosen (REAR) | REMOVAL | |
| Sliding pin is worn (FRONT) | REMOVAL | |
| Sliding pin is worn (REAR) | REMOVAL | |
| Pad is dirty (FRONT) | INSPECTION | |
| Pad is dirty (REAR) | INSPECTION | |
| Pad is glazed (FRONT) | INSPECTION | |
| Pad is glazed (REAR) | INSPECTION | |
| Anti-squeal shim is damaged (FRONT) | REMOVAL | |
| Anti-squeal shim is damaged (REAR) | REMOVAL |
BRAKE SYSTEM (4GR-FSE)
BRAKE SYSTEM (4GR-FSE) SYMPTOM
| Symptom | Suspected area | Reference |
|---|---|---|
| Low pedal or spongy pedal | Fluid leaks in brake system | BRAKE FLUID |
| Air in brake system | BRAKE FLUID | |
| Piston seals are worn or damaged (FRONT) | REMOVAL | |
| Piston seals are worn or damaged (REAR) | DISASSEMBLY | |
| Master cylinder is faulty | REMOVAL | |
| Booster push rod clearance is out of adjustment | REMOVAL | |
| Brake drag | Brake pedal freeplay is insufficient | ADJUSTMENT |
| Parking brake pedal travel clearance is out of adjustment | ADJUSTMENT | |
| Parking brake cable is stuck | REMOVAL | |
| Parking brake shoe clearance is out of adjustment | DISASSEMBLY | |
| Pad is cracked or distorted (FRONT) | INSPECTION | |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Piston is stuck (FRONT) | REMOVAL | |
| Piston is stuck (REAR) | DISASSEMBLY | |
| Piston is seized (FRONT) | REMOVAL | |
| Piston is seized (REAR) | DISASSEMBLY | |
| Booster push rod clearance is out of adjustment | REMOVAL | |
| Vacuum leaks in booster systems | ON-VEHICLE INSPECTION | |
| Master cylinder is faulty | ON-VEHICLE INSPECTION | |
| Brake pull | Piston is stuck (FRONT) | REMOVAL |
| Piston is stuck (REAR) | DISASSEMBLY | |
| Pad is oily (FRONT) | INSPECTION | |
| Pad is oily (REAR) | INSPECTION | |
| Piston is seized (FRONT) | REMOVAL | |
| Piston is seized (REAR) | DISASSEMBLY | |
| Disc is scored (FRONT) | INSPECTION | |
| Disc is scored (REAR) | DISASSEMBLY | |
| Pad is cracked or distorted (FRONT) | INSPECTION | |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Hard pedal but brake inefficient | Fluid leaks in brake system | ON-VEHICLE INSPECTION |
| Air in brake system | ON-VEHICLE INSPECTION | |
| Pad is worn (FRONT) | INSPECTION | |
| Pad is worn (REAR) | INSPECTION | |
| Pad is cracked or distorted (FRONT) | INSPECTION | |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Pad is oily (FRONT) | INSPECTION | |
| Pad is oily (REAR) | INSPECTION | |
| Pad is glazed (FRONT) | INSPECTION | |
| Pad is glazed (REAR) | INSPECTION | |
| Disc is scored (FRONT) | INSPECTION | |
| Disc is scored (REAR) | INSPECTION | |
| Booster push rod clearance is out of adjustment | REMOVAL | |
| Vacuum leaks in booster system | ON-VEHICLE INSPECTION | |
| Noise from brakes | Pad is cracked or distorted (FRONT) | INSPECTION |
| Pad is cracked or distorted (REAR) | INSPECTION | |
| Installed bolt is loosen (FRONT) | REMOVAL | |
| Installed bolt is loosen (REAR) | REMOVAL | |
| Disc is scored (FRONT) | INSPECTION | |
| Disc is scored (REAR) | INSPECTION | |
| Pad support plate is loosen (FRONT) | REMOVAL | |
| Pad support plate is loosen (REAR) | REMOVAL | |
| Sliding pin is worn (FRONT) | REMOVAL | |
| Sliding pin is worn (REAR) | REMOVAL | |
| Pad is dirty (FRONT) | INSPECTION | |
| Pad is dirty (REAR) | INSPECTION | |
| Pad is glazed (FRONT) | INSPECTION | |
| Pad is glazed (REAR) | INSPECTION | |
| Anti-squeal shim is damaged (FRONT) | REMOVAL | |
| Anti-squeal shim is damaged (REAR) | REMOVAL |