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Old May 31, 2014 | 08:38 AM
  #1  
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Front End Clunk

I have a clunk in the right side of my front end. It is intermittent. When I turn hard to the right it will clunk and I only need to go back to straight for it to clunk back. I did replace springs and shocks but they do not appear to be the cause of the problem. I have had two mechanics look at it and they can't see anything. I have looked and it does not look like the U-Bolts are loose. When loaded it will also clunk when hitting bumps.

Any suggestions?
Thanks,
Mark
 
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Old May 31, 2014 | 10:50 AM
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Are you 4x4 or 2wd?
Will it clunk if you turn the wheels to the clunk point while the truck is stopped?
Is it a one time clunk when you are rolling? Or if you held the turn long enough(like donuts in an empty parking lot) will it keep clunking as long as you keep rolling?
If you set the parking brake, chock the rear wheels, jack up the front end... grab ahold of the suspect wheel and try to wiggle it... will it wiggle? If there slop in the steering? Can you feel any slop in the wheel bearings?
 
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Old May 31, 2014 | 10:59 AM
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It is 4X4. Clunks once only when turn is made, once when returned to straight and when hitting bumps when loaded. Does not clunk when turning wheel while sitting still. Had truck up on lift and checked all usual suspects like ball joints, tie rod ends and bearing play.
 
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Old May 31, 2014 | 12:35 PM
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Could be the u joint inside the hub for the front axle. Just a thought.
 
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Old May 31, 2014 | 12:38 PM
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I was thinking something inside hub might be the cause. How hard is a hub to open up? But would the U-joint clunk when hitting bumps?
 
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Old May 31, 2014 | 12:41 PM
  #6  
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It is possible. There is a you tube video on the replacement of ball joints you can use for a guide. Also, springer pop has a great write-up on ball joint replacement that shows the removal of the front axle.
 
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Old May 31, 2014 | 12:56 PM
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Pulling the hub isnt really difficult... but the inner vacuum seal is kind of not cheap.
The seal driver can be picked up in a kit at Harbor Freight pretty cheap... or sometimes you can get lucky at the parts houses that loan/rent tools.

Just go slow and steady. Do not try to rush it. Pay very close attention to how the washers/plastic grooved bushing are oriented on the stub axle. They must go back in the same way.

Going this far in... you might as well do the hub greasing procedure if you are not replacing the hubs.

Brake caliper slide pins too since the calipers have to come off anyway.

There are links to the hub assembly r&r procedures in the tech links.
 
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Old May 31, 2014 | 01:09 PM
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Ford Super Duty Ball Joint Replacement Procedure | Superdutypsd.com
 
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Old May 31, 2014 | 04:00 PM
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My truck did the same thing and it was a loose bolt on one of the drop links on the front sway bar. I found it by having a couple friends rock the truck from side to side while I was underneath it.
 
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Old May 31, 2014 | 07:41 PM
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Mine clunks like you're describing. It is the drop links on mine too. There is a rubber bushing where the bolts go through that are wore out on mine.
My passenger side link is hitting on my spring when I hit a big bump or pit hole making the clunking sound.
 
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Old May 31, 2014 | 08:53 PM
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My 350 dually does it on braking? I replaced all the front swaybar and down links with poly! The clunk went away for awhile and now its back!! Front end appears tite and no abnormal tire wear! So looks like I will just have to wait and see if it gets worse and then hopefully I can find the problem.

Smokie
 
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Old Jun 1, 2014 | 03:41 AM
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Smokie, I would check rotors, lug nuts ect if it's just doing it while braking. Make sure all the nuts are tight. Check the spacers on the front wheels too.
 
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