Join Date: Dec 2010
Location: Manvel, TX
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Front End Intermittant Vibe 4x4
'01 F-250 SD XLT 7.3ℓ 4x4
While in 2WD and slow speeds, Drive over a bump and a vibe starts coming from the front end.
The ways I have found to stop the vibe is to:
Engage 4HI, stop, or hitting another bump works sometimes.
This does not happen while in 4HI.
Could this be the 4WD driveshaft turning while not engaged?
If so, how is the shaft kept from turning while in 2WD?
Am I on track here?
Thanks for helping! -Keith
FYI: Tires, Shocks, and steering Stabilizer have been eliminated at the possible cause. As they are all new and/or balanced, thanks!