Buick Enclave: Diagnostic Information and Procedures

SYMPTOMS - PARK BRAKE

IMPORTANT: Review the system operation in order to familiarize yourself with the system functions.

Refer to Park Brake System Description and Operation.

Visual/Physical Inspection

• Inspect for aftermarket devices which could affect the operation of the park brake system.

  Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

Park Brake Will Not Hold or Release

PARK BRAKE WILL NOT HOLD OR RELEASE

Park Brake Will Not Hold or Release

PARK BRAKE SYSTEM DIAGNOSIS

Park Brake System Diagnosis

PARKING BRAKE SHOE INSPECTION

WARNING: Refer to Brake Dust Warning.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

3. Remove the rear brake caliper bracket with the rear brake caliper. Refer to Rear Brake Caliper Bracket Replacement.

4. Remove the rear brake rotor. Refer to Rear Brake Rotor Replacement.

NOTE: DO NOT apply the park brake pedal with the rotors removed.

5. Inspect and replace the park brake shoe and lining if any of the following conditions are found:

• Excessive wear indicated by the park brake lining being worn down to the shoe
• Park brake lining cracking
• Oil or fluid contamination of the park brake lining

6. Adjust the park brake shoe. Refer to Parking Brake Adjustment.

7. Install the rear brake rotor. Refer to Rear Brake Rotor Replacement.

8. Install the rear brake caliper with the rear brake caliper bracket. Refer to Rear Brake Caliper Bracket Replacement.

9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

10. Lower the vehicle.

READ NEXT: