Chevrolet Sonic Repair Manual: Fuel System Cleaning
- 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.
- 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.
- 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.
Note:
If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary.
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.
Note:
Only use oil-free compressed air to blow out the fuel pipes.
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:
Rear Compartment Courtesy Lamp Replacement (Hatchback)
Rear Compartment Courtesy Lamp Replacement
Callout
Component Name
1
Rear Compartment Courtesy Lamp Assembly
Procedure
Use the appropriate trim tool in order to release the lamp assembly
from the rear quarter ...
Radiator Outlet Hose Replacement (LDE LUW)
Special Tools
BO-38185 Hose Clamp Pliers
For equivalent regional tools, Refer to Special Tools.
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Remove the radiator outlet hose clamp (1) at the engine using BO-38185 ...
Automatic Transmission Flex Plate Removal
Special Tools
EN-652 Automatic Transmission Flex Plate Holder
For equivalent regional tools, refer to Special Tools.
Install the EN-652 holder (1) to hold the automatic
transmission flex plate (2).
Loosen the 6 automatic transmission flex plate bolts.
Re ...
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