Chevrolet Cobalt Service & Repair Manual: Exhaust

Timing Chain, Replace

Caution: With the timing chain removed, avoid turning the camshaft or crankshaft. If movement is required, exercise extreme caution to avoid valve damage caused by piston contact. ...

Catalytic Converter R&R

1. Raise and support vehicle. 2. Remove wheel drive shaft heat shield. 3. Remove Heated Oxygen Sensor (HO2S). ...

See also:

Chevrolet Cobalt Owners Manual. Competitive Driving Mode (SS Models Only)
The driver can select this optional handling mode by pressing the ESC/TCS button on the console two times quickly. COMPETITIVE MODE will be displayed in the DIC. See DIC Warnings and Messages. Competitive Driving Mode allows the driver to have full control of the front wheels while the ESC syst ...