Chevrolet Cobalt Service & Repair Manual: Precautions

Air Bag Systems

Refer to "Air Bag System Precautions" on main menu selection for "Precautions."

Battery Ground Cable

Prior to service, disconnect battery ground cable and isolate as required.

Electrical Service

Because of the electronic system control and low system voltages, certain precautions must be taken to ensure accurate diagnosis and avoid system damage. Do not disconnect or connect electrical connectors with ignition On unless specifically instructed. Do not connect test equipment directly to the Engine Control Module (ECM), except where noted and never attempt to measure oxygen sensor output because the sensor will be damaged.
    Fuel Pump Replacement
    1. Relieve fuel system pressure. 2. Drain fuel tank. 3. Raise and support vehicle. 4. ...

    Ignition Systems
    ...

    See also:

    Chevrolet Cobalt Owners Manual. Engine Overheating
    The vehicle has an indicator to warn of engine overheating. You will find an engine coolant temperature warning light on your vehicle's instrument panel. See Engine Coolant Temperature Warning Light for more information. You may decide not to lift the hood when this warning appears, but inste ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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