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:
Camshaft Timing Chain Inspection
Special Tools
EN-952 Fixing Pin
EN-953-A Fixing Tool
EN-49977-100 Transmitter Disc Fixation
For equivalent regional tools, refer to Special Tools.
Remove the ignition coil. Refer to Ignition Coil Replacement.
Remove the camshaft cover. Refer to Camshaft Cover Replacement.
...
Automatic Transmission Shift Lock Control Function Check
Warning: When you are doing this inspection, the vehicle could move
suddenly. If the vehicle moves, you or others could be injured.
Before starting this check, be sure there is enough room
around the vehicle. It should be parked on a level surface.
Apply the parking brake. Be read ...
Transmission Component and System Description
The mechanical components of the 6T30/40/45/50 are as follows:
A torque converter with an electronically controlled capacity clutch (ECCC)
Gear-type fluid pump assembly
1??? and low and reverse clutch housing assembly
4?? and 3? reverse clutch housing assembly
2? clutch assem ...
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