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:

Infotainment
Determine which radio the vehicle has and read the following pages to become familiar with its features. Warning: Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to you or others. Do not give extended attention to infotainment tasks wh ...

Door Lock and Ignition Lock Folding and Non-Folding Key Cutting
High Security keys are available from the service parts system. Obtain the key code from the security card or from the GM Dealer World, Parts, Key Code Look Up system. If you have the key code and access to a Triax-E., BD Laser or other code key cutting machine from the GM Dealer Equipment C ...

Sun Load Temperature Sensor Replacement
Sun Load Temperature Sensor Replacement Callout Component Name 1 Sun Load Temperature Sensor Bezel 2 Sun Load Temperature Sensor Procedure Disconnect the electrical connector. Twist ...

0.0079