Thread: Jerking!!
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Old 08-23-2005, 09:21 PM   #2
Motor31
Senior Member
 
Join Date: May 2005
Posts: 2,130
It's a posibility. There are a few things you can check before giving up on it.

First are you towing level. Check to see if the trailer is level when you are hooked up to it. Have you weighed the combination so you know how much weight is on the pin? It's easy, just hook up and go to a truck stop. Weigh the rig with the trailer having the trailer axles on one pad, the truck rear on another and the front tires on one as well. This will giove you weights of each axle seperately. After that move off of the pads unhook and weigh the truck alone. The pin weight should be about 10% to 20% of the overal weight of the trailer. To level the trailer out you can adjust the height of the hitch and or the pin box on the trailer.

If you are level you can try using a teflon disk to take up some of the slop in fit between the hitch and pin.

Finally you can invest in either an air hitch (pricey) or air pin box (less pricey) or Moryde pin box (also less pricey) to smooth out the ride.

In concrete highways there is usually some rocking as they aren't level accross the pads unless they have been smoothed out with grinders to smooth the overall surface.
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Mike Nancy and the fuzzies
Fulltiming since June 2004
Volvo 660 MH tow vehicle
2005 MS 38RL
2007 Saturn Ion "toad"
2010 Gold Wing "piggyback"
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