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. Antilock Brake System (ABS) Warning Light
For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started. If it does not, have the vehicle serviced by your dealer/retailer. If the system is working normally the indicator light then goes off. If the ABS light stays on, turn the ignition of ...