Q: Hey what is the part behind the idler pulley on a 2006 Honda Civic? There is a big crack and I want to know what part it is.
My car makes a rattling noise in the belt area. I noticed big crack in the part behind the idler bearing.l It's behind the idler beaing but under the alternator
My car has 138000 miles.
My car has an automatic transmission.
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Hi there. Seems to be the tensioner to the idler pulley is cracked. Remove the drive belt from the engine and check the pulley tensioner and see if it can move around. I recommend seeking out a professional, such as one from Your Mechanic, to help you with the parts if the trensioner is not cracked.
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