Chevrolet Cobalt Service & Repair Manual: 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 Oil Filter Adapter R&R
    Refer to Fig. 1 when performing the following procedure. 1. Place a collecting pan underneath the oil filter. 2. Use tool No. EN-44887 to remove the oil filter cap (1) and seal, Fig. 1. 3. ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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