Buick Regal: Power Brake Booster Vacuum Sensor Replacement (2.0L LTG)

Removal Procedure

1. Without draining the coolant and without disconnecting the hoses, position aside the radiator surge tank.

2.

Power Brake Booster Vacuum Pipe Fitting (1)@Power Brake Booster Vacuum Sensor - Disconnect.

3. Power Brake Booster Vacuum Sensor Electrical Connector - Disconnect.

4.

Power Brake Booster Vacuum Sensor(1) - Remove.

Installation Procedure

1.

NOTE: A small amount of denatured alcohol may be used to ease assembly.

Power Brake Booster Vacuum Sensor(1) - Install.

2.

Power Brake Booster Vacuum Pipe Fitting (1)@Power Brake Booster Vacuum Sensor - Connect.

3. Power Brake Booster Vacuum Sensor Electrical Connector - Connect.

4. Radiator Surge Tank Replacement - Install.

POWER BRAKE BOOSTER VACUUM SENSOR REPLACEMENT (3.6L LGX)

Removal Procedure

1. Without draining the coolant and without disconnecting the hoses, position aside the radiator surge tank.

2.

Power Brake Booster Vacuum Pipe Fitting (1) - Disconnect.

3. Electrical Connector - Disconnect.

4.

Power Brake Booster Vacuum Sensor(1) - Remove.

Installation Procedure

1.

NOTE: A small amount of denatured alcohol may be used to ease assembly.

Power Brake Booster Vacuum Sensor(1) - Install.

2.

Power Brake Booster Vacuum Pipe Fitting (1) - Connect.

3. Electrical Connector - Connect.

4. Radiator Surge Tank - Install.

POWER BRAKE BOOSTER VACUUM PIPE REPLACEMENT (2.0L LTG)

Removal Procedure

1. Without draining the coolant and without disconnecting the hoses, position aside the radiator surge tank.

2. Intake Manifold Cover Replacement - Remove.

3.

Power Brake Booster Vacuum Pipe Fitting (1)@Power Brake Booster Vacuum Sensor - Disconnect.

4.

Power Brake Booster Vacuum Pipe Fitting (1)@Vacuum Pump - Disconnect.

5. Power Brake Booster Vacuum Pipe - Remove.

Installation Procedure

1. Power Brake Booster Vacuum Pipe - Install.

2.

Power Brake Booster Vacuum Pipe Fitting (1)@Vacuum Pump - Connect.

3.

Power Brake Booster Vacuum Pipe Fitting (1)@Power Brake Booster Vacuum Sensor - Connect.

4. Intake Manifold Cover Replacement - Install.

5. Radiator Surge Tank Replacement - Install.

POWER BRAKE BOOSTER VACUUM PIPE REPLACEMENT (3.6L LGX)

Removal Procedure

1. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank.

2. Air Cleaner Element - Remove.

3.

Power Brake Booster Vacuum Pipe Quick Connect Fitting(1) - Disconnect.

4.

Power Brake Booster Vacuum PipeClip(1) - Release.

5.

Power Brake Booster Vacuum Pipe Quick Connect Fitting(1) - Disconnect.

6.

Power Brake Booster Vacuum Pipe(1) - Remove.

Installation Procedure

1.

Power Brake Booster Vacuum Pipe(1) - Install.

2.

Power Brake Booster Vacuum Pipe Quick Connect Fitting(1) - Connect.

3.

Power Brake Booster Vacuum PipeClip(1) - Secure.

4.

Power Brake Booster Vacuum Pipe Quick Connect Fitting(1) - Connect.

5. Air Cleaner Element - Install.

6. Reposition and install the radiator surge tank.

POWER BRAKE BOOSTER REPLACEMENT

Removal Procedure

1. Floor Front Air Outlet Duct - Left Side - Remove.

2. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank.

3.

Power Brake Booster Vacuum Pipe(1)@Power Brake Booster Vacuum Sensor - Disconnect.

4. Power Brake Booster Vacuum Sensor Electrical Connector - Disconnect.

5.

Power Brake Booster Vacuum Sensor(1) - Remove.

6.

Brake Pressure Modulator Valve Primary Pipe(1) - Remove.

7.

Brake Pressure Modulator Valve Secondary Pipe(1) - Remove.

8.

Brake Master Cylinder - Remove.

9.

Electronic Traction Control Brake Pressure Modulator Valve(1) - Remove.

10.

NOTE: Completely loosen the power brake booster bolts.

Power Brake Booster Bolt(1) - Loosen[2x]

NOTE: Assistant required.

11. Perform the following to release the brake pedal retainer:

Compress the brake pedal retainer (1) locking tabs.

2. Slowly have an assistant pull the power brake booster away from the cowl panel until the brake pedal retainer clears the brake pedal assembly.
3.  

Brake Pedal Retainer (1) - Remove and DISCARD

12.

Power Brake Booster(1) - Remove.

Installation Procedure

1.

Position the power brake booster in the vehicle.

NOTE: Assistant required.

2. Perform the following to engage the brake pedal retainer:

Brake Pedal Retainer (1) - Install NEW

NOTE: Ensure the locking tabs on the brake pedal retainer are fully engaged in the brake pedal assembly.

2. Slowly have an assistant push the power brake booster toward the cowl panel until the brake pedal retainer fully engages the brake pedal assembly.

3.

CAUTION: Fastener Caution.

Power Brake Booster Bolt(1) - Tighten 19 N.m (14 lb ft) [2x].

4.

Electronic Traction Control Brake Pressure Modulator Valve - Install.

5.

Brake Master Cylinder - Install.

6.

Brake Pressure Modulator Valve Primary Pipe(1) - Install.

7.

Brake Pressure Modulator Valve Secondary Pipe(1) - Install.

8.

NOTE: A small amount of denatured alcohol may be used to ease assembly.

Power Brake Booster Vacuum Sensor(1) - Install.

9. Power Brake Booster Vacuum Sensor Electrical Connector - Connect.

10.

Power Brake Booster Vacuum Pipe(1)@Power Brake Booster Vacuum Sensor - Connect.

11. Reposition and install the radiator surge tank.

12. Floor Front Air Outlet Duct - Left Side - Install.

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