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 Service & Repair Manual. Component Replacement
Tire Pressure Indicator Sensor Each tire pressure sensor has an internal power supply that has a service life of 10 years. Removal 1. Loosen lug nuts. 2. Raise and support vehicle with jack stands, then remove wheel an ...