Chevrolet Cobalt Service & Repair Manual: Electrical

Drive Axle Assembly Leak, Inspection

A visual inspection must always be performed to confirm the presence of aftermarket components, potential collision damage, or areas of concern. A rear-axle oil leak is eas ...

Component Replacement

...

See also:

Chevrolet Cobalt Service & Repair Manual. Compression Pressure
When inspecting cylinder compression, the engine should be at room temperature, the throttle should be open, the spark plugs removed and the battery at full charge. The lowest reading cylinder should not be less than 70% of the highest and no cylinder reading should be less th ...