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Check for Noise from the Engine

Model: Dodge Avenger MK 1 - Years: 2008, 2009, 2010, 2011, 2012, 2013
Part: Engine

Video tutorial

If a noise is heard from the engine bay when starting the engine, open the front bonnet and first try to locate the area of the engine from which the noise is coming. Generally, it is likely that the noise is due to a pulley driven by the auxiliary belt: it will be necessary to carefully check which one is responsible for the fault.

A first method to analyse the noise can be to use a car stethoscope: wear the stethoscope and bring the probe close to the various pulleys, trying to identify which one is the loudest; alternatively, a long screwdriver can also be used. If there are doubts that the noise may be internal to the engine, disconnect the auxiliary belt so that no pulley can rotate and start the engine.

Excluding internal noises, once the belt is removed, manually move each pulley to check if any have play: usually, the noise is attributable to the alternator pulley or the plastic ones on the tensioner or idler pulley.


Updated on 12 February 2026 by ScegliAuto


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