|
|
1. Turn the ignition ON. Allow the pump and motor to run as required. The pump and motor will stop automatically and may run up to 10 seconds. 2. Depress the brake pedal 4 times. 3. Confirm that brake fluid returns to the reservoir. 4. Repeat steps 1-3 until all air is purged from the accumulator circuit (return fluid is clear and free from air). 5. With the ignition OFF, depress and release the brake pedal 20 times to deplete accumulator pressure. If the brake fluid clouds and has air mixed with the fluid, wait until the fluid clears 6. Turn the ignition ON and depress the pedal 20 times quickly. The pump and motor will be activated. 7. Turn the ignition OFF and repeat step 5 again. If the brake fluid clouds and has air mixed with the fluid, wait until the fluid clears to proceed. 8. Turn the ignition ON to activate the pump and motor. Allow the pump and motor to stop automatically. The pump and motor will run about 10 seconds. 9. Install a scan tool to the vehicle. 10. Start the engine and allow the engine to idle. 11. Depress the brake pedal firmly and maintain steady pressure on the pedal. 12. Using the scan tool, begin the automated bleed procedure. 13. Follow the instructions on the scan tool to complete the automated bleed procedure. Release the brake pedal between each test sequence. 14. Turn the ignition OFF. 15. Remove the scan tool from the vehicle. 16. 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, IMPORTANT: Perform steps 1-4 below to bleed the HBCi accumulator circuit prior to performing a base brake bleed. IMPORTANT: The base hydraulic brake system must be bled before proceeding. If you have not yet performed the base hydraulic
2007 Hummer H3 2007 BRAKES Antilock Brake System - H3
|