Chevrolet Sonic Repair Manual: Fuel System Cleaning

Chevrolet Sonic Repair Manual / Powertrain / Engine / Fuel System / Fuel System Cleaning

Note:

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

Drain the fuel tank. Refer to Fuel Tank Draining.
Remove the fuel pump module assembly. Refer to Fuel Tank Fuel Pump Module Replacement.
Inspect the fuel pump module strainer. Replace the pump module assembly if the fuel strainer is contaminated.

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.

Flush the fuel tank with hot water.
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.
Allow the tank to dry completely before reassembly.
Disconnect the fuel feed pipe at the engine fuel rail. Refer to Plastic Collar Quick Connect Fitting Service.

Note:

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

Clean the fuel pipes by applying air pressure in the opposite direction of the fuel flow.
Connect the fuel feed pipe to the engine fuel rail. Refer to Plastic Collar Quick Connect Fitting Service.
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 Vision Camera Location
The camera is above the license plate. The area displayed by the camera is limited. It does not display objects that are close to either corner or under the bumper and can vary depending on vehicle orientation or road conditions. Displayed images may be closer or farther than they appear. ...

Secondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 to +56°C (14?E33°F), the intake air temperature (IAT) is greater than −10°C (14°F) and it ...

Transmission Case Disassemble (Gen 1)
Special Tools 3-9506289 Universal Adapter J-810700 Mainshaft Bearing Remover J-810704 Center Bar Puller M-680770 Universal Sliding Mallet R-0007758 Holding Fixture R-0007770 Holding Fixture Adapter Plates T-0307000 Extractor and Driver Fixture T-9807671 Slide Hammer For eq ...

0.0071