Equator 2WD V6-4.0L (2009)
Maintenance > Tune-up and Engine Performance Checks > Compression Check > System Information > Specifications > Page 612
If the engine speed is out of the specified range, check the battery liquid for proper gravity. Check the engine speed again with normal battery
If the compression pressure is below the minimum value, check the valve clearances and parts associated with the combustion chamber (valve,
If some cylinders have low compression pressure, pour a small amount of engine oil into the spark plug hole of the cylinder to re-check it for
If the added engine oil improves the compression, piston rings may be worn out or damaged. Check the piston rings and replace if necessary.
If the compression pressure remains at low level despite the addition of engine oil, the valves may be malfunctioning. Check the valves for
If two adjacent cylinders have respectively low compression pressure and their compression remains low even after the addition of engine oil,
9) Install the components in the reverse order of removal.
10) Start the engine, and confirm that it runs smoothly.
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