G6 V6-3.9L VIN 1 (2006)
14. With the left front wheel hydraulic circuit bleeder valve tightened securely, after all air has been purged from the left front hydraulic circuit, install
a proper box-end wrench onto the LEFT REAR wheel hydraulic circuit bleeder valve.
15. Install a transparent hose over the end of the bleeder valve, then repeat steps 7-11.
16. With the left rear wheel hydraulic circuit bleeder valve tightened securely, after all air has been purged from the left rear hydraulic circuit, install a
proper box-end wrench onto the RIGHT FRONT wheel hydraulic circuit bleeder valve.
17. Install a transparent hose over the end of the bleeder valve, then repeat steps 7-11.
18. After completing the final wheel hydraulic circuit bleeding procedure, ensure that each of the 4 wheel hydraulic circuit bleeder valves are properly
tightened.
19. 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.
20. Slowly press and release the brake pedal. Observe the feel of the brake pedal.
21. If the brake pedal feels spongy, repeat the bleeding procedure again. If the brake pedal still feels spongy after repeating the bleeding procedure,
perform the following steps:
21.1. Inspect the brake system for external leaks. Refer to Brake System External Leak Inspection See: Brakes and Traction Control/Hydraulic
System/Testing and Inspection/Component Tests and General Diagnostics/Hydraulic Brake Component Operation Visual Inspection.
21.2. Pressure bleed the hydraulic brake system in order to purge any air that may still be trapped in the system.
22. Turn the ignition key ON, with the engine OFF. Check to see if the brake system warning lamp remains illuminated.
Important: DO NOT allow the vehicle to be driven until it is diagnosed and repaired.
23. If the brake system warning lamp remains illuminated, refer to Symptoms - Hydraulic Brakes See: Brakes and Traction Control/Hydraulic
System/Testing and Inspection/Symptom Related Diagnostic Procedures.
