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 than 100 psi. Turn ignition key until engine cranks through four compression cycles per cylinder. Normal compression builds up quickly and evenly to specified compression on each cylinder. |
Chevrolet Cobalt Service & Repair Manual. Wheel Lug Stud, Replace
Suspension fasteners are critical
components because they affect performance of vital components and systems
and their failure may result in major service expense. New components must
be installed with the same component numbers or equivalent components, if
replacement is requ ...