Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Automated Bleed Procedure
2004 Oldsmobile Bravada RWDSECTION Automated Bleed Procedure
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
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.
- Raise the vehicle on a suitable support. Refer to LIFTING AND JACKING THE VEHICLE .
- Remove all four tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
- Inspect the brake system for leaks and visual damage. Refer to BRAKE FLUID LOSS or SYMPTOM TESTS . Repair or replace as needed.
- Inspect the battery state of charge. Refer to BATTERY INSPECTION/TEST in Engine Electrical.
- Install a scan tool.
- Turn ON the ignition, with the engine OFF.
- With the scan tool, establish communications with the EBCM. Select Special Functions. Select Automated Bleed from the Special
Functions menu.
- Bleed the base brake system. Refer to MANUAL BLEEDING or PRESSURE BLEEDING .
- Follow the scan tool directions until the desired brake pedal height is achieved.
- If the bleed procedure is aborted, a malfunction exists. Perform the following steps before resuming the bleed procedure:
- If a DTC is detected, refer to DIAGNOSTIC TROUBLE CODE (DTC) LIST and diagnose the appropriate DTC.
- If the brake pedal feels spongy, perform the conventional brake bleed procedure again. Refer to MANUAL BLEEDING or PRESSURE BLEEDING .
- When the desired pedal height is achieved, press the brake pedal in order to inspect for firmness.
- Remove the scan tool.
- Install the tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
- Inspect the brake fluid level.
- Road test the vehicle while inspecting that the pedal remains high and firm.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.