alternator whine

  1. J

    S4 Idle pulley whine and replacement.

    I’ve got a whine when the engines running which accelerates in pitch with acceleration and suspect the idle pulley bearing is going. Has anyone replaced theirs and anyone know if you need to replace the belt tensioner at the same time. Not sure Audi still sell the tensioner or not as I can’t...
  2. N

    Aftermarket Head Unit - Ground Loop Isolator - Subwoofer not working - BOSE

    Hi guys! I have purchased an aftermarket head unit to my Bose system S3. After i installed it, everything worked well (rear speakers, subwoofer), but i had a really annoying alternator whine. So i purchased ground loop isolators, connected them. Now i don't have the alternator whine finally...
Top
Back