Check the play of the release bearing by spinning it by hand. If there is excessive play or noise, replace the release bearing.

NOTE: The release bearing is packed with grease. Do not wash it in solvent.
Chassis
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Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
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2010 Mitsubishi Outlander Review
Vehicle Overview:
In the competitive landscape of the automotive industry, continuous improvement
is the key to success. The 2010 Mitsubishi Outlander epitomizes this philosophy
by undergoing a ...