Question about 2007 Mercedes-Benz CL550 Coupe
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: engine whine
Could be anything that is attached to the serpentine belt. ie: starter, water pump, A/C compressor, tensioners, steering pump.
My guess is a bad idler pulley bearing (cheapest to replace).
How many miles, what year is vehicle?
Posted on Nov 22, 2008
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