truck shakes at highway speeds on 2004 Ford F-150

my truck sometimes shakes at high speeds like tires are out of balance but goes away.

by in Greenwood, IN on March 17, 2010
1 answer
ANSWER by , March 17, 2010
If the shaking comes and goes at a certain MPH you probably have a out of balance tire, Have the tires rotated and balanced to eliminate that possibility