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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1521 (ANTI-LOCK BRAKE SYSTEM - HYBRID)REPAIR INSTRUCTIONSANTILOCK BRAKE SYSTEM AUTOMATED BLEED PROCEDUREBLEEDING PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Bleeding Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Bleeding Procedure
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the transmission in the PARK or NEUTRAL position.
    2. IMPORTANT: The ignition must be in the OFF position, without pausing at ACCESSORY, and without applying the brake pedal to ensure the brake modulator and high pressure accumulator (HPA) pressure relief occurs. This process will take approximately 1-3 minutes.
  2. Turn the ignition to OFF, without pausing at ACCESSORY, and without applying the brake pedal.

    Remove the ignition key.

  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  5. Inspect the brake system for leaks and visual damage. Refer to Symptoms - Hydraulic Brakes . Repair or replace components as necessary.
  6. Lower the vehicle to allow for entry and exit while bleeding the brake corners and other components.
  7. Connect a battery charger to the 12V battery. The battery charger must remain connected for the entire automated bleed procedure. Refer to Battery Charging .
  8. Install a scan tool to the vehicle.
    9. IMPORTANT: The ignition switch must remain in the ON position with the engine OFF during the entire automated bleed procedure.
RENDER: 1.0x

NO RELATED

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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.