2009 - 2014 F-150

Bed Bounce at ANY Speed

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Old Aug 29, 2021 | 08:33 PM
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Bed Bounce at ANY Speed

Hey Y'all!

Just joined the forum in desperate search of some help. I have a 2013 F-150 that has developed a "shuddering". As long as I am on a smooth riding surface, it does fine - even at 70mph. However, the slightest bump, pothole, ripple, etc (even the tar used to crack-seal the road) it hits in the road, it shakes like crazy. Feels like about half the bolts that connect the bed to the frame are loose. Have had a couple folks look at it with no solution. The truck was doing fine until just recently. The brakes and tires were done by two different shops and I can't pinpoint when the vibration/shaking started. Additionally, when the brakes were replaced and rotors turned, the right rear axle seal ruptured and had to be replaced. Then, the right front piston in the caliper seized and had to be replaced. Tires were replaced in May. Vibration started some time after that, but I can't say that it started just after the new tires. In June, the brake shop said tires out of road. Tire shop checked all tires and found one out of round and replaced it. Balanced all four tires and installed. No improvement. They kept truck for a week and checked the bed bolts, replaced the shocks, lubed the driveshaft, leaf springs, and shackles. Can't pinpoint the problem. I can drop the tailgate and the bed, especially up near the cab, will vibrate. Same result if I stomp on the bumper. Anyone else run into this? Any help would be appreciated. This thing is driving me nuts!!!

2013 Ford F-150 SuperCrew XL, 3.6L V-6 145" 138k Miles +/- No modifications


Thanks in advance.
 
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