2009 Dodge Challenger Belt Tensioner Parts and Q&A
Q: How to Maintain a Belt Tensioner on a 3.5L Engine on 2009 Dodge Challenger?
A: Before accessory drive belt tensioner service on a 3.5L engine, remove the accessory drive belt. After that, take off the tensioner assembly bolt (2) and remove the accessory drive belt tensioner (1) from the front engine cover (3). Because of the high pressure in springs, you should not open up your automatic tensioner yourself; it should only be serviced as one piece.