Get a Alternator Decoupler Here [ Ссылка ]
If you have a dodge Caliber which has the decoupler on the alternator you may suffer a loud metallic sound or kind of like a knocking sound this is the decoupler that has failed. Usually what happens is the bearings in the decoupler fail and this causes the noise. You do not need to replace the decoupler when this happens but only replace the decoupler itself.
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