Chevrolet Cobalt Service & Repair Manual: Emission Controls

Engine Management

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General Motors Co.

FIG. NO. BUICK: EVAP System & Canister: Centu ...

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Chevrolet Cobalt Service & Repair Manual. Troubleshooting
When troubleshooting the hydraulic brake system, perform the following inspections. Master Cylinder Internal Fluid Leakage Check Start engine and depress the brake pedal. If the pedal gradually falls under constant pressure, the hydraulic system may be leaking. Raise ...