Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Fuel System Cleaning

    Note:

    If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary.

  1. Drain the fuel tank. Refer to  Fuel Tank Draining.
  2. Remove the fuel pump module assembly. Refer to  Fuel Tank Fuel Pump Module Replacement.
  3. Inspect the fuel pump module strainer. Replace the pump module assembly if the fuel strainer is contaminated.
  4. Note:

    When flushing the fuel tank, handle the fuel and water mixture as a hazardous material. Handle the fuel and water in accordance with all applicable local, state, and federal laws and regulations.

  5. Flush the fuel tank with hot water.
  6. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank in order to be sure that the removal of the water from the fuel tank is complete.
  7. Allow the tank to dry completely before reassembly.
  8. Disconnect the fuel feed pipe at the engine fuel rail. Refer to  Plastic Collar Quick Connect Fitting Service.
  9. Note:

    Only use oil-free compressed air to blow out the fuel pipes.

  10. Clean the fuel pipes by applying air pressure in the opposite direction of the fuel flow.
  11. Connect the fuel feed pipe to the engine fuel rail. Refer to  Plastic Collar Quick Connect Fitting Service.
  12. Install the fuel pump module assembly. Refer to  Fuel Tank Fuel Pump Module Replacement.
Fuel Pump Flow Control Module Replacement
Fuel Pump Flow Control Module Replacement Callout Component Name Preliminary Procedures Disconnect the battery negative cable. Refe ...

Fuel System Description
Fuel System Overview The fuel system is an electronic returnless on-demand design. A returnless fuel system reduces the internal temperature of the fuel tank by not returning hot fuel f ...

Other materials:

Front Side Door Window Rear Guide Replacement
Front Side Door Window Rear Guide Replacement Callout Component Name Preliminary Procedure Remove the front side door trim panel. Refer to Front Side Door Trim Replacement. 1 Front Side Door Win ...

Valve Lifter Replacement
Special Tools EN-845 Suction Device For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the camshaft. Refer to Camshaft Replacement. Note: Mark the assignments. Remove the valve lifter (1) use the EN-845 suction device ...

Air Intake System Description
Circuit/System Description The primary function of the air intake system is to provide filtered air to the engine. The system uses a filter element mounted in a housing. The filter housing is remotely mounted and uses intake ducts to route the incoming air into the throttle body. T ...

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