Join Date: Mar 2014
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I learned that the radio antenna will whistle and vibrate at times. I was riding down a country road, with rolling hills with areas of high humidity in the low spots. Finally the light bulb came on... I realized that it would whistle when I was going through the thicker air.
Take notice if you hit fog, it really does it. I poked a Styrofoam ball on top of the antenna temporarily to see if it was actually what was causing it. It was.
The bad thing was that the noise sounded like it was coming from inside the truck. It made it very hard to figure out.
2002 F250 ECLB, XLT, 7.3 PSD, 4X4, Auto, TW 6pos. Tuner, 42,000 original miles, 4" Diamond Eye Stainless Exhaust with 2 mufflers, Britebox, EZ Down tailgate assist, Rear Air Bags, 6.0 trans cooler, Wicked Wheel 2, Corey's HPX, Dieselsite Water pump w/built-in filter, 203 degree thermostat, Max A/C assist valve, Oil drain valve, Non EBV pedestal & Flange, S.S. bellowed up pipes, Dieselsite Lifetime Rad. hoses & Intercooler hoses,
Sold - 2014 F250 CCSB, Lariat Ultimate 6.7