whistle

  1. Sergio Ibagon

    2007 5.4L 3v - noise when accelerating

    Hi, I've checked belt and pullies, tensioners.. everything.. New oil and water pump. Recently did alternator and aircon maintenance.. and haven't been able to find the source of this "whistle" kind of sound when accelerating. Any guesses...
  2. J

    1999 Expy 4.6L w/ Possible Bad AC Compressor?

    Got this truck early Spring and had no issues whatsoever. AC/Heat worked 100% when I test drove and for the first few weeks, now it was about 100F at the time super hot summer so I didn't get to test the Heat so much... but the AC blew hard, blew cold, it probably needed some Freon as it blew...
  3. K

    Loud Turbo Whistle

    Looong time Expedition owner (still driving my 2004 with 300k+ miles), but recently picked up a used 2020 Max Limited, LOVE the vehicle... but, im new to the EcoBoost V6 with turbos. Everytime I accelerate, even light RPM, the Turbo whistles like a big rig. Its pretty loud, and even louder with...
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