Buick Regal Owners & Service Manuals
Buick Regal 2018-2024 Service Manual / Brakes / Antilock Brake System / Repair Instructions / Brake Pressure Modulator Valve Bracket Replacement

Buick Regal: Brake Pressure Modulator Valve Bracket Replacement

Antilock Brake System

Preliminary Procedure

Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (2.0L LTG) or Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (3.6L LGX)

  1. Brake Pressure Modulator Valve Bracket Bolt
    CAUTION: Fastener Caution
    Tighten
    9N.m (80 lb in)
  2. Brake Pressure Modulator Valve Bracket Nut[2x]
    Tighten
    9N.m (80 lb in)
  3. Brake Pressure Modulator Valve Bracket

FRONT WHEEL SPEED SENSOR REPLACEMENT

Removal Procedure

WARNING: Brake Dust Warning

1. Front Wheelhouse Liner - Remove.

2. Wheel Speed Sensor Electrical Connector - Disconnect.

3.

Antilock Brake System

Retainer(1)@Radiator Support - Release.

4.

Antilock Brake System

Retainer(1)@Side Rail - Release[3x].

5.

Antilock Brake System

Retainer(1)@Front Brake Hose - Release[2x].

6.

Antilock Brake System

Retainer(1)@Steering Knuckle - Release.

7.

Antilock Brake System

Wheel Speed Sensor Bolt(1) - Remove.

8.

Antilock Brake System

Wheel Speed Sensor(1) - Remove.

Installation Procedure

1.

Antilock Brake System

Wheel Speed Sensor(1) - Install.

2.

Antilock Brake System

CAUTION: Fastener Caution.

Wheel Speed Sensor Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Antilock Brake System

Retainer(1)@Steering Knuckle - Secure.

4.

Antilock Brake System

Retainer(1)@Front Brake Hose - Secure[2x].

5.

Antilock Brake System

Retainer(1)@Side Rail - Secure[3x].

6.

Antilock Brake System

Retainer(1)@Radiator Support - Secure.

7. Wheel Speed Sensor Electrical Connector - Connect.

8. Front Wheelhouse Liner - Install.

9. Verify the repair is complete. Refer to Diagnostic Repair Verification.

REAR WHEEL SPEED SENSOR REPLACEMENT (FRONT WHEEL DRIVE)

Removal Procedure

WARNING: Brake Dust Warning.

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

2. Wheel Speed Sensor Electrical Connector - Disconnect.

3.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

4.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

5.

Antilock Brake System

Retainer(1)@Upper Control Arm - Release[4x].

6.

Antilock Brake System

Wheel Speed Sensor Bolt(1) - Remove.

7.

Antilock Brake System

Wheel Speed Sensor(1) - Remove.

Installation Procedure

1.

Antilock Brake System

Wheel Speed Sensor(1) - Install.

2.

Antilock Brake System

CAUTION: Fastener Caution.

Wheel Speed Sensor Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Antilock Brake System

Retainer(1)@Upper Control Arm - Secure[4x].

4.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

5.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

6. Wheel Speed Sensor Electrical Connector - Connect.

7. Verify the repair is complete. Refer to Diagnostic Repair Verification.

REAR WHEEL SPEED SENSOR REPLACEMENT (ALL WHEEL DRIVE)

Removal Procedure

WARNING: 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.

Antilock Brake System

Wheel Speed Sensor Electrical Connector(1) - Disconnect.

4.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

5.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

6.

Antilock Brake System

Retainer(1)@Rear Suspension Upper Trailing Link - Release[2x].

7.

Antilock Brake System

Retainer(1)@Rear Suspension Knuckle - Release.

8.

Antilock Brake System

Wheel Speed Sensor Bolt(1) - Remove.

9.

Antilock Brake System

Wheel Speed Sensor(1) - Remove.

Installation Procedure

1.

Antilock Brake System

Wheel Speed Sensor(1) - Install.

2.

Antilock Brake System

CAUTION: Fastener Caution

Wheel Speed Sensor Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Antilock Brake System

Retainer(1)@Rear Suspension Knuckle - Secure.

4.

Antilock Brake System

Retainer(1)@Rear Suspension Upper Trailing Link - Secure[2x].

5.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

6.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

7.

Antilock Brake System

Wheel Speed Sensor Electrical Connector(1) - Connect.

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

9. Verify the repair is complete. Refer to Diagnostic Repair Verification.

VEHICLE YAW SENSOR LEARN

The yaw rate sensor does not require calibration often. Calibrating the yaw rate sensor might be required after certain service procedures are performed. Some of these procedures are as follows:

  • Yaw Rate Sensor replacement
  • Electronic Brake Control Module replacement
  • Inflatable Restraint Sensing and Diagnostic Module replacement
  • Multi-axis Acceleration Sensor Module replacement (UGN)

The yaw rate sensor learn procedure can be completed with a scan tool using the following steps:

1. Place vehicle on a level surface.

2. Apply the parking brake, or set the transmission in the Park position.

3. Install the scan tool to the data link connector.

4. Ignition ON/Vehicle in Service Mode.

5. Select Yaw Rate Sensor Learn in the Electronic Brake Control Module Configuration/Reset Functions list.

6. Follow the scan tool directions to complete the calibration procedure.

7. Clear any DTCs that may be set.

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