Join Date: Sep 1999
Location: Mid Michignan
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Re: 4WD noise/vibration
What type of vehicle? Could be a front axle shaft, CV joint or differential. If it was snow and iciy I would probably be willing to go with an axle CV joint.
With engine off put vehicle in gear and traansfer case in 4 wheel drive. Jack up front end and place on jack stands. Lock one hub at a time and try to rotate wheel by hand, see if it's only one side. Then from underneath while turning you could lok and see if you can see where the bind is, or if one of your boots are torn, which will probably mean a shot CV joint.