Chevrolet Cobalt Service & Repair Manual: Compression Pressure
Chevrolet Cobalt Service & Repair Manual / Engine Service / 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 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. |
Camshaft R&R
Removal
1.
Loosen vent hose clamp at air cleaner
resonator, air cleaner intake duct clamp at air cleaner outlet resonator.
2.
Loosen air ...
Connecting Rod R&R
1.
Rotate the crankshaft to a position
where the connecting rod bolts are the most accessible, Fig.
1.
2.
Mark the connecting rod an ...
See also:
Chevrolet Cobalt Service & Repair Manual. Lube, Oil & Filter, Replace
Caution: Prolonged and repeated
contact with engine oil and grease will result in removal of natural oils
from skin, leading to dryness, irritation and dermatitis. In addition, used
engine oil and grease contains potentially harmful contaminants which may
cause skin cancer. Pr ...
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