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Wildcard - what you are describing is a vibration. That isn't at all what I am talking about. I am talking about a slow speed, (30 mph) going over railroad tracks or sorta rough road. The sides of the bed literally look like they are wobbly loose. The ride in the cab is great with no rattles, (except for that damn ashtray) but anything you put in the bed gets rattled. I know. I mounted my bike rack to the side of the bed. One trip to the trails and I had to move it. I couldnt stand watching what it was doing to my bike. I'll rack it up to a stiff frame.
And no - I am not going to put sand bags in the bed. Not even to see if it works.
I guess I should have phrase my problem differently... I had a bed shake problem associated with vibration. At speed above 25 you could feel the vibration and see the bed moving, slightly. At 55-60 and 70 and above the vibration increased and the bed movement got worse. You could see the bed do an up/down and side to side shake.
The bed movement was atleast 1 to 2 inches up and down and the side to side was enough to blur the view of the bed in the side view mirror.
It was worse in cold weather until the tires warmed up.
My friend and I swapped tires and rims. When we did this the bed movement and vibration stopped on my truck. His truck, which that no problem, suddenly developed a vibration and bed movement problems.
The dealer swapped out my tires. I no longer have either problem. But when I go over bump and such, you can see the bed move. But it settles right down.
Maybe your bed bolts are loose. Or you may have a loose shock. Or it could be tires.
jowpup - I don't seem to remember recommending using sand bags in your bed for this problem......
Last edited by wildcard30; May 17, 2006 at 06:57 AM.
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