Chevrolet Sonic Repair Manual: ATF Lines

Transmission Fluid Cooler Flushing and Flow Test

GM studies indicate that plugged or restricted transmission oil coolers and pipes cause insufficient transmission lubrication and elevated operating temperatures which can lead to premature transm ...

Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection

Removal Procedure Note: Perform the following procedure when removing the retaining rings and cooler lines from the quick connect fittings located on the radiator a ...

Other materials:

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: The indicators at three or more places around the tire can be seen. There is cord or fabric showing through the tire's rubb ...

Fuel Tank Fuel Pump Module Replacement
Special Tools EN-48279 Fuel Sender Lock Ring Tool For equivalent regional tools, refer Special Tools. Removal Procedure Relieve the fuel system pressure. Refer to Fuel Pressure Relief Remove the fuel tank. Refer to Fuel Tank Replacement. Disconnect the electrical c ...

Control Solenoid Valve and Transmission Control Module Assembly Replacement
Removal Procedure Remove the transmission control valve body cover. Refer to Control Valve Body Cover Replacement. Disconnect the output speed sensor electrical connector (2). Disconnect the shift position switch electrical connector (3). Disconn ...