Quote:
Originally Posted by cuban_bmwx5
Hey All here again so i have some new problem i have 2001 4.4
so when i accelerate and hit 2rpm i get this whistle squealing sound i was trying to look it up but i pretty much only see thing about the 3.0 with that problem and its the intake boot i checked my boot looks fine.. i seen another video of a 4.4 2005 and it said the problem was the CCV .. what do you all think it could be? any help would be great thanks again
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suggest you get an automotive stethoscope and use the cone piece. it allows you to isolate the location of sounds. Had a whistling sound on my 3.0 (sounded like a flute). Got the stethoscope and isolated the sound to belt pullies. Replaced them and problem solved.