Problem Symptoms Table

Use the table below to help you find 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.

PROBLEM SYMPTO]

MS TABLE

Symptom

Suspected area

See

Low pedal or spongy pedal

1. Fluid leaks in brake system

-

2. Air in brake system

BRAKE FLUID

3. Piston seals (worn or damaged, front)

FRONT BRAKE

4. Piston seals (worn or damaged, rear)

REAR BRAKE

5. Master cylinder (Faulty)

BRAKE MASTER CYLINDER

Brake drag

1. Brake pedal free play (Minimum)

BRAKE MASTER CYLINDER

2. Parking brake pedal travel (Out of adjustment)

ON-VEHICLE INSPECTION

3. Parking brake wire (sticking)

-

4. Parking brake (Shoe clearance Out of adjustment)

PARKING BRAKE ASSEMBLY

5. Pad (Cracked or distorted, front)

FRONT BRAKE

6. Pad (Cracked or distorted, rear)

REAR BRAKE

7. Piston (Stuck, front)

FRONT BRAKE

8. Piston (Stuck, rear)

REAR BRAKE

9. Piston (Frozen, front)

FRONT BRAKE

10. Piston (Frozen, rear)

REAR BRAKE

11. Tension or return spring (Faulty)

PARKING BRAKE ASSEMBLY

12. Vacuum leaks for booster system

BRAKE BOOSTER

13. Master cylinder (Faulty)

BRAKE MASTER CYLINDER

1. Piston (Stuck, front)

FRONT BRAKE

2. Piston (Stuck, rear)

REAR BRAKE

2007 BRAKES Brake - Sequoia

3. Pad (Cracked or distorted, front)

FRONT BRAKE

4. Pad (Cracked or distorted, rear)

REAR BRAKE

5. Piston (Frozen, front)

FRONT BRAKE

Brake pulls

6. Piston (Frozen, rear)

REAR BRAKE

7. Disc (Scored, front)

FRONT BRAKE

8. Disc (Scored, rear)

REAR BRAKE

9. Vacuum leaks for booster system

BRAKE BOOSTER

10. Master cylinder (Faulty)

BRAKE MASTER CYLINDER

1. Fluid leaks for brake system

-

2. Air in brake system

BRAKE FLUID

3. Pad (Worn, front)

FRONT BRAKE

4. Pad (Worn, rear)

REAR BRAKE

5. Pad (Cracked or distorted, front)

FRONT BRAKE

Hard pedal but brake inefficient

6. Pad (Cracked or distorted, rear)

REAR BRAKE

7. Pad (Oily, front)

FRONT BRAKE

8. Pad (Only, rear)

REAR BRAKE

9. Pad (Glazed, front)

FRONT BRAKE

10. Pad (Glazed, rear)

REAR BRAKE

11. Disc (Scored, font)

INSPECTION

12. Disc (Scored, rear)

REAR BRAKE

13. Vacuum leaks for booster system

BRAKE BOOSTER

1. Pad (Cracked or distorted, front)

FRONT BRAKE

2. Pad (Cracked or distorted, rear)

REAR BRAKE

3. Installation bolt (Loose, front)

FRONT BRAKE

4. Installation bolt (Loose, rear))

REAR BRAKE

5. Disc (Scored, front)

FRONT BRAKE

6. Disc (Scored, rear))

REAR BRAKE

7. Pad support plate (Loose)

REMOVAL

Noise from brakes

8. Sliding pin (worn)

REAR BRAKE

9. Pad (Dirty, front)

FRONT BRAKE

10. Pad (Dirty, rear)

REAR BRAKE

11. Pad (Glazed, front)

FRONT BRAKE

12. Pad (Glazed, rear)

REAR BRAKE

13. Tension or return spring (Faulty)

PARKING BRAKE ASSEMBLY

14. Anti-squeal shim (Damaged, front)

FRONT BRAKE

15. Anti-squeal shim (Damaged, rear)

REAR BRAKE

16. Shoe hold-down spring (Damaged)

PARKING BRAKE ASSEMBLY

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