I've had my truck in before and they blamed my vibration on tires. I didn't push the issue, but new that the tires were perfectly balanced and the truck did the same thing when I use my 35" tires. I think I might order the parts and try fixing it myself. Have had a vibration from 30-40mph since day 1.
its not the tires!!! its the drivetrain and they know it. Also check out NTB05-111. I've had this problem for over two years and I have now gotten a lawyer to get them to do a simple repair. Tell them to fix it!!
i had this problem to. the bulliten is about puting in shims between the rearend and the leaf spring. install a .5 degree shim in from the front and re test. if it is still present install a 1. degree shim in its place. smae process if still present with a 1.5 shim.
stevie ray nissan tech
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