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 Pressure Relief
Special Tools EN-34730-91 Pressure Tester For equivalent regional tools, refer to Special Tools. Warning: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ig ...

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:

Rear Side Door Trim Replacement (Hatchback)
Rear Side Door Trim Replacement Callout Component Name Preliminary Procedure Remove the rear side door upper rear trim panel. Refer to Rear Side Door Upper Rear Trim Panel Replacement. 1 Rear Si ...

Rear Wheel Bearing and Hub Replacement (Disc Brake)
Special Tools EN–45059 Angle Meter For equivalent regional tools, refer to Special Tools. Removal Procedure Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Insta ...

Engine Oil Cooler Assemble
Caution: Refer to Fastener Caution. Install the engine oil filter cap (1) along with a NEW seal ring (2) and a NEW oil filter element (3) and tighten to  25 Y (18 lb ft). Install the engine oil pressure indicator switch (5) and ...

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