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:

Passenger Airbag Status Indicator
The vehicle has a passenger sensing system. See Passenger Sensing System  for important safety information. The instrument panel has a passenger airbag status indicator. United States Canada When the vehicle is started, the passenger airbag status indicator will light ON and OFF, or ...

Engine Coolant Fan Replacement (LDE/LUW)
Removal Procedure Unclip transmission cooler lines from shroud if equipped. Unclip radiator surge tank outlet hose from fan shroud. Disconnect the engine coolant fan wiring harness. Note: You stand against driving direction. Unclip the engine coolant fan ...

Transmission Fluid Level and Condition Check
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Remove the front suspension skid plate, if equipped. Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement Place a basin underneath the vehicle. Clean away all ...