on my 2004 long wb 4x4 3500 with cummings diesel. sometimes turning to right at speeds of 50 60 mph on hi-way i get the worst vibration in front end so bad i need to stop to get it under control truck has 120,000 miles on it and has only done this a few times a friend told me heard of this and they call it the duck wobble has any one heard of this and can you shine some light on it and help me out thanks for your replys

 

Welcome to the site. I will move this thread to the Cummins section,
FF

 

thanks alot in the 70 s and 80s had a 72 duster 318 but we put the 340 in it loved that car solid black black vinynl top top was all trimmmed in chrome bucket seats floor console it was mopar bad

 

you got a loose ball joint somewhere, check the track bar, tie rods, and knuckles, my favorite way is to have a friend turn the wheel back and forth while i watch everything, and jack the front tires off the ground and puch/pull on them to see if anything is loose

 

thanks i'll try that out and see what is up and let u know what i find thanks for the reply

 

Just had that with my 06. Seems the whole center link assembly was bad due to the fact that they under designed it. Mine was under warranty and they replaced the whole sha-bang for free. Tie rod ends, tie rod, center link, steering stabilizer, pitman arn, etc. But my ball joints were good.

 

I have a similar problem but not as severe I just have a constant front end vibartion but Im curious I took my rig to a shop and they said all the ball joints are in spec. Anyone else have this happen to them I think im getting a second opinion