Chevrolet Sonic Repair Manual: Fuel System Cleaning

Chevrolet Sonic Repair Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / General / 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 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:

Hood Rear Weatherstrip Replacement
in Hood Rear Weatherstrip Replacement Callout Component Name 1 Hood Rear Weatherstrip Procedure The hood rear weatherstrip is held in place with 10?€‰plastic retainers that are part of the air inlet grille. ...

Engine Flywheel Replacement
Engine Flywheel Replacement Callout Component Name Preliminary Procedure Remove the clutch pressure and driven Plate . Refer to Clutch Pressure and Driven Plate Replacement. Special Tools EN-652 Flywheel Holder ...

Fluid Passages (Gen 2)
Figure 1: Torque Converter and Differential Housing - Case Side Figure 2: Fluid Pump Body - Fluid Pump Cover Side Figure 3: Fluid Pump Cover - Fluid Pump Body Side Figure 4: Case - Torque Converter and Differential Housing Side Fig ...

0.0088