2009 Cadillac CTS Service & Repair Manual
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2009 Cadillac CTS | CTS (VIN D) Service Manual | Brakes | Antilock Brake System | Specifications |
Document ID: 2165747
Fastener Tightening Specifications
Application
Specification
Metric English
Brake Pipe Fitting - Brake Pressure Modulator Valve (BPMV) Inlet 32 N·m 24 lb ft
Brake Pipe Fitting - BPMV Outlet 20 N·m 15 lb ft
BPMV Bolt 12 N·m 106 lb in
BPMV Bracket Bolt 12 N·m 106 lb in
BPMV Bracket Nut 12 N·m 106 lb in
Electronic Brake Control Module (EBCM) Screws 5 N·m 44 lb in
Wheel Speed Sensor Bolt - Front and Rear 9 N·m 80 lb in
Yaw Rate Sensor Bolt 9 N·m 80 lb in
Yaw Rate Sensor Nut 9 N·m 80 lb in
© 2010 General Motors Corporation. All rights reserved.
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2009 Cadillac CTS | CTS (VIN D) Service Manual | Brakes | Antilock Brake System | Repair Instructions |
Document ID: 2132671
Antilock Brake System Automated Bleed Procedure
Warning: Refer to Brake Fluid Irritant Warning in the Preface section.
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface
section.
Note: Before performing the ABS Automated Bleed Procedure, first perform a pressure bleed of the
base brake system. Refer to Hydraulic Brake System Bleeding . The automated bleed procedure is
recommended when one of the following conditions exist:
The ABS Automated Bleed Procedure uses a scan tool to cycle the system solenoid valves and run
the pump in order to purge any air from the secondary circuits. These circuits are normally closed
off, and are only opened during system initialization at vehicle start up and during ABS operation.
The automated bleed procedure opens these secondary circuits and allows any air trapped in these
circuits to flow out toward the brake corners.
Performing the Automated Bleed Procedure
Caution: The Auto Bleed Procedure may be terminated at any time during the process by
pressing the EXIT button. No further Scan Tool prompts pertaining to the Auto Bleed
procedure will be given. After exiting the bleed procedure, relieve bleed pressure and
disconnect bleed equipment per manufacturers instructions. Failure to properly relieve
pressure may result in spilled brake fluid causing damage to components and painted
surfaces.
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove all four tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
3. Inspect the brake system for leaks and visual damage. Refer to Symptoms - Hydraulic
Brakes . Repair or replace components as needed.
4. Lower the vehicle.
5. Inspect the battery state of charge. Refer to Battery Inspection/Test .
6. Install a scan tool.
7. Turn the ignition ON, with the engine OFF.
8. With the scan tool, establish communications with the ABS system. Select Special Functions.
Select Automated Bleed from the Special Functions menu.
9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
10. Following the directions given on the scan tool, pressure bleed the base brake system. Refer
to Hydraulic Brake System Bleeding .
11. Follow the scan tool directions until the desired brake pedal height is achieved.
12. If the bleed procedure is aborted, a malfunction exists. Perform the following steps before
resuming the bleed procedure:
13. When the desired pedal height is achieved, press the brake pedal to inspect for firmness.
• Base brake system bleeding does not achieve the desired pedal height or feel
• Extreme loss of brake fluid has occurred
• Air ingestion is suspected in the secondary circuits of the brake modulator assembly
• If a DTC is detected, refer to Diagnostic Trouble Code (DTC) List - Vehicle , and diagnose
the appropriate DTC.
• If the brake pedal feels spongy, perform the conventional brake bleed procedure again.
Refer to Hydraulic Brake System Bleeding .
© 2010 General Motors Corporation. All rights reserved.
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14. Lower the vehicle.
15. Remove the scan tool.
16. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
17. Inspect the brake fluid level. Refer to Master Cylinder Reservoir Filling .
18. Road test the vehicle while inspecting that the pedal remains high and firm.
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2009 Cadillac CTS | CTS (VIN D) Service Manual | Brakes | Antilock Brake System | Repair Instructions |
Document ID: 2001709
Steering Angle Sensor Centering
The steering angle sensor does not require centering often. Centering of the steering angle sensor
might be required after certain service procedures are performed. Some of these procedures are as
follows:
The steering angle sensor centering procedure can be completed with a scan tool using the
following steps:
1. Using the steering wheel, align the front wheels forward.
2. Set the transmission in the PARK position.
3. Turn the ignition switch ON, with the engine OFF.
4. Clear any DTCs that may be set.
5. Select Steering Angle Sensor Centering in the EBCM Special Functions list.
6. Follow the scan tool directions to complete the centering procedure.
• Steering gear replacement
• Steering column replacement
• Steering angle sensor replacement
• Intermediate shaft replacement
• Electronic brake control module (EBCM) replacement
• Collision or other physical damage
© 2010 General Motors Corporation. All rights reserved.
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2009 Cadillac CTS | CTS (VIN D) Service Manual | Brakes | Antilock Brake System | Repair Instructions |
Document ID: 2152855
Electronic Brake and Traction Control Module with
Brake Pressure Modulator Valve Replacement (CTS)
Removal Procedure
Caution: To prevent equipment damage, never connect or disconnect the wiring harness
connection from the EBCM with the ignition switch in the ON position.
1. Place the ignition switch in the OFF position.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
4. Remove the washer solvent container fasteners and position the washer solvent container
aside to access the electronic brake control module (EBCM). Refer to Windshield Washer
Solvent Container Replacement .
5. Thoroughly clean the area around the EBCM of all dirt and debris.
6. Release the EBCM electrical connector by pressing the retaining tab and rotating the locking
lever forward.
7. Remove the EBCM screws (1).
© 2010 General Motors Corporation. All rights reserved.
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8. Separate the EBCM (1) from the brake pressure modulator valve (BPMV).
Installation Procedure
1. Clean the sealing surfaces of the BPMV and the EBCM.
2. Install the EBCM (1) to the BPMV.
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3. Install the EBCM screws (1).
Caution: Refer to Fastener Caution in the Preface section.
4. Tighten the EBCM screws in the sequence shown (1-4) to 5 N·m (44 lb in).
5. Connect the EBCM electrical connector.
6. Position the washer solvent container and install the fasteners. Refer to Windshield Washer
Solvent Container Replacement .
7. Install the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
8. Lower the vehicle.
9. If installing a new EBCM, program the EBCM. Refer to Control Module References .
10. Perform the Diagnostic System Check - Vehicle .
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2009 Cadillac CTS | CTS (VIN D) Service Manual | Brakes | Antilock Brake System | Repair Instructions |
Document ID: 2170980
Electronic Brake and Traction Control Module with
Brake Pressure Modulator Valve Replacement (CTS-V)
Removal Procedure
Caution: To prevent equipment damage, never connect or disconnect the wiring harness
connection from the EBCM with the ignition switch in the ON position.
1. Place the ignition switch in the OFF position.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
4. Remove the washer solvent container fasteners and position the washer solvent container
aside to access the electronic brake control module (EBCM). Refer to Windshield Washer
Solvent Container Replacement .
5. Thoroughly clean the area around the EBCM of all dirt and debris.
6. Release the EBCM electrical connector by pressing the retaining tab and rotating the locking
lever forward.
7. Remove the EBCM screws (1).
© 2010 General Motors Corporation. All rights reserved.
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8. Separate the EBCM (1) from the brake pressure modulator valve (BPMV).
Installation Procedure
1. Clean the sealing surfaces of the BPMV and the EBCM.
2. Install the EBCM (1) to the BPMV.
Caution: Refer to Fastener Caution in the Preface section.
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3. Install the EBCM screws (1) and tighten in a cross pattern to 5 N·m (44 lb in).
4. Connect the EBCM electrical connector.
5. Position the washer solvent container and install the fasteners. Refer to Windshield Washer
Solvent Container Replacement .
6. Install the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
7. Lower the vehicle.
8. If installing a new EBCM, program the EBCM. Refer to Control Module References .
9. Perform the Diagnostic System Check - Vehicle .
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$36.99
If you are in need of a repair manual for your 2009 Cadillac CTS, look no further. This comprehensive manual is designed to assist both professional mechanics and DIY enthusiasts in performing a wide range of repairs and maintenance tasks.
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