Chevrolet Cobalt Service & Repair Manual: Fuel Pressure Relief

Chevrolet Cobalt Service & Repair Manual / Engine Management / Fuel Pumps / Fuel Pressure Relief

1. Loosen fuel fill cap to relieve fuel tank vapor pressure.
2. Remove engine cover.
3. Remove fuel rail service port cap, then wrap a shop towel around fuel rail service port.
4. Depress (open) fuel rail test port valve using a small flat-bladed tool.
5. Remove shop towel from around fuel rail service port, and place in an approved gasoline container.
6. Install fuel rail service port cap and engine cover.
    Fuel Pumps
    ...

    Fuel Pump Replacement
    1. Relieve fuel system pressure. 2. Drain fuel tank. 3. Raise and support vehicle. 4. ...

    See also:

    Chevrolet Cobalt Service & Repair Manual. Engine Leak Inspection
    A visual inspection must always be performed to confirm the presence of aftermarket components, potential collision damage, or areas of concern. Before moving the vehicle inspect underneath for signs of oil on the ground to aid in identifying the leaks location. ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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