At 70mph my truck starts to jump or shutter realy bad esp up hill. No other time does it do this. Ideas?
tires psi up to par
i had a similar problem once and had a rear brake hanging up. also, you might have a tire out of balance
Yes sir tires r good and balance. Could the trans filter In that Allison b stoppin up. It feels like its comin from the transmission or transfer case
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