Some 2003-06 Dodge Ram trucks with diesel engines may produce a chirping noise from the accessory drive belt just as the engine is shut down.
According to Chrysler, one likely cause of the noise is the drive belt slipping on the alternator pulley. Replacing the pulley with a new-design unit with an integral overrunning clutch, part No. 05183490AA, should eliminate the condition.
"Factory Fixes" is written by Jim DePalma, a 30-year veteran of the auto repair business who has served stints as a service manager, parts manager and ASE-certified technician. His column provides vehicle manufacturers' authentic factory technical service bulletins (TSBs) that have been condensed for easier reading. Mr. DePalma advises that techs always check with a dealer or repair information system for the latest revisions before starting to work on a vehicle. He can be reached via e-mail at [email protected].