2006 Ford Expedition howling noise

2006 FORD EXPEDITION
120,000 MILES • 5.4L • V8 • 2WD • AUTOMATIC
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ANDY GADAMER
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  • 1 POST
howling noise when engine is revved up
Aug 13, 2015 at 9:18 AM
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HMAC300
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  • 48,601 POSTS
this could be belt or fan noise if not electric. recommended replacement of belt and tensioner is 60k so check those first. also belt pulleys
Aug 13, 2015 at 9:31 AM