2010 Chevrolet Colorado Service & Repair Manual
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2009 Chevrolet Colorado Pickup - 4WD | Canyon, Colorado, (VIN S/T) Service Manual | Brakes | Antilock Brake System |
Specifications | Document ID: 2134391
Fastener Tightening Specifications
Application
Specification
Metric English
Brake Pipe Fitting - Brake Pressure Modulator Valve (BPMV) Outlet 17 N·m 13 lb ft
Brake Pipe Fitting - BPMV Inlet 32 N·m 24 lb ft
BPMV Bracket Bolt 11 N·m 97 lb in
BPMV Bracket Nut 9 N·m 80 lb in
Electronic Brake Control Module (EBCM) Bolt 2 N·m 18 lb in
Longitudinal Accelerometer Nut 9 N·m 80 lb in
Wheel Speed Sensor Bolt - Front 8 N·m 71 lb in
Wheel Speed Sensor Bolt - Rear 17 N·m 13 lb ft
Wheel Speed Sensor Bracket Bolt 9 N·m 80 lb in
© 2010 General Motors Corporation. All rights reserved.
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2009 Chevrolet Colorado Pickup - 4WD | Canyon, Colorado, (VIN S/T) Service Manual | Brakes | Antilock Brake System |
Repair Instructions | Document ID: 2139655
Antilock Brake System Automated Bleed Procedure
Caution: When adding fluid to the brake master cylinder reservoir, use only Delco Supreme 11®,
GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed
brake fluid container. The use of any type of fluid other than the recommended type of brake fluid,
may cause contamination which could result in damage to the internal rubber seals and/or rubber
linings of hydraulic brake system components.
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface
section.
Note: The base hydraulic brake system must be bled before performing this automated bleeding
procedure. If you have not yet performed the base hydraulic brake system bleeding procedure,
refer to Hydraulic Brake System Bleeding before proceeding.
1. Install a scan tool to the vehicle.
2. Start the engine and allow the engine to idle.
3. Depress the brake pedal firmly and maintain steady pressure on the pedal.
4. Using the scan tool, begin the automated bleed procedure.
5. Follow the instructions on the scan tool to complete the automated bleed procedure. Release
the brake pedal between each test sequence.
6. Turn the ignition OFF.
7. Remove the scan tool from the vehicle.
8. Fill the brake master cylinder reservoir to the maximum-fill level with Delco Supreme 11®
GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid from a clean,
sealed brake fluid container.
9. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .
10. With the ignition OFF, apply the brakes 3-5 times, or until the brake pedal becomes firm, in
order to deplete the brake booster power reserve.
11. Slowly depress and release the brake pedal. Observe the feel of the brake pedal.
12. If the brake pedal feels spongy, repeat the automated bleeding procedure. If the brake pedal
still feels spongy after repeating the automated bleeding procedure inspect the brake system
for external leaks. Refer to Brake System External Leak Inspection .
13. Turn the ignition key ON, with the engine OFF; check to see if the brake system warning
lamp remains illuminated.
14. If the brake system warning lamp remains illuminated, DO NOT allow the vehicle to be driven
until it is diagnosed and repaired. Refer to Symptoms - Hydraulic Brakes .
15. Drive the vehicle to exceed 13 kph (8 mph) to allow ABS initialization to occur. Observe
brake pedal feel.
16. If the brake pedal feels spongy, repeat the automated bleeding procedure until a firm brake
pedal is obtained.
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2009 Chevrolet Colorado Pickup - 4WD | Canyon, Colorado, (VIN S/T) Service Manual | Brakes | Antilock Brake System |
Repair Instructions | Document ID: 2139305
Electronic Brake Control Module Replacement
Removal 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.
1. Turn the ignition switch to the OFF position.
2. Remove the brake pressure modulator valve (BPMV). Refer to Brake Pressure Modulator
Valve Replacement .
3. Remove the electronic brake control module (EBCM) bolts (1).
Discard the bolts.
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4. Carefully separate the EBCM (1) from the BPMV.
5. Remove the 12 EBCM to BPMV seals (2).
Installation Procedure
1. Carefully install the EBCM (1) and the 12 seals (2) to the BPMV.
Caution: Refer to Fastener Caution in the Preface section.
Note: Do not reuse the EBCM bolts. Install new bolts.
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2. Install new EBCM bolts (1) and tighten to 2 N·m (18 lb in).
3. Install the EBCM/BPMV assembly to the vehicle. Refer to Brake Pressure Modulator Valve
Replacement .
4. Program the EBCM. Refer to Control Module References .
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2009 Chevrolet Colorado Pickup - 4WD | Canyon, Colorado, (VIN S/T) Service Manual | Brakes | Antilock Brake System |
Repair Instructions | Document ID: 2139306
Brake Pressure Modulator Valve Replacement
Removal 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.
1. Turn the ignition switch to the OFF position.
2. Disconnect the electronic brake control module (EBCM) electrical connector.
3. Clean the area around the brake pipe fittings and the EBCM and the brake pressure
modulator valve (BPMV) mating surfaces of any accumulated dirt and debris.
4. Disconnect the RF brake pipe fitting (1) from the EBCM/BPMV assembly.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and
contamination.
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5. Disconnect the RR brake pipe fitting (1) from the EBCM/BPMV assembly.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and
contamination.
6. Disconnect the LR brake pipe fitting (1) from the EBCM/BPMV assembly.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and
contamination.
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7. Disconnect the LF brake pipe fitting (1) from the EBCM/BPMV assembly.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and
contamination.
8. Disconnect the master cylinder primary brake pipe fitting (1) from the EBCM/BPMV assembly.
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and
contamination.
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9. Disconnect the master cylinder secondary brake pipe fitting (1) from the EBCM/BPMV
assembly.
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and
contamination.
10. Remove the EBCM/BPMV assembly bracket nuts (1).
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11. Remove the EBCM/BPMV assembly (1).
12. If necessary, remove the BPMV bracket bolts (1).
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Upgrade your 2010 Chevrolet Colorado with our comprehensive Service & Repair Manual. This manual is a must-have for any DIY enthusiast or professional mechanic looking to maintain, repair, or optimize their Chevrolet Colorado.
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- 2010 Chevrolet Colorado Base
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- 2010 Chevrolet Colorado Z85
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