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Old 06-27-2009, 01:11 PM
Sundevil2188 Sundevil2188 is offline
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Join Date: Aug 2007
Location: Scottsdale, Arizona
Vehicle: 2001 Ford F150
Posts: 1,291
Sounds like you've got it pretty well figured out, but at idle when im standing dead behind the truck or in the bed, i can hear a whomp whomp too, sounds almost like a huey helicopter. we traced it all the way to the front of the truck, almost sounds like its coming from the fan/belt area...
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