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:

Leaving the Vehicle with the Engine Running (Automatic Transmission)
Warning It can be dangerous to leave the vehicle with the engine running. It could overheat and catch fire. It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. Do not leave the vehicle when the engine i ...

Door Lock and Ignition Lock Folding and Non-Folding Key Cutting
High Security keys are available from the service parts system. Obtain the key code from the security card or from the GM Dealer World, Parts, Key Code Look Up system. If you have the key code and access to a Triax-E., BD Laser or other code key cutting machine from the GM Dealer Equipment C ...

Ball Joint Inspection
Caution: Refer to Vehicle Lifting and Jacking Caution. Raise the front of the vehicle to allow the front suspension to hang free. Grasp the tire at the top and the bottom. Move the top of the tire in an in-and-out motion. Look for any horizontal movement of the knuckle relativ ...