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Old September 3rd, 2011, 09:37 AM   #1
219xj
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Default f350 front end clanking.

i have a 1999 f350 cclb zf6.

i bought this truck about a few months ago and this clank was there but not as loud. from my front axle theres been a loud clank noise every time i hit a bump... kinda sounds like a rock in a metal can and it keeps bouncing around and then stops till i hit another bump. the hubs work fine and they engage and disengage correctly its just the noice that has me worried/confused. is my wheel hub Assembly going bad? i dont have any wobbles so i wouldnt think this would be the case. is my manual lockouts just shot and they need to be replaced? just looking into it before i start tearing it apart so i can have an idea on that to look for..

thanks in advance guys
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Old September 3rd, 2011, 09:43 AM   #2
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I have had a similar sound on my 02, it was the swaybar end links. They are a bit pricey but cured the noise in my case. I drove it like that for a while with no issues.
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Old September 3rd, 2011, 09:48 AM   #3
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i dont have my sway bar hooked up.
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Old September 3rd, 2011, 11:07 AM   #4
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shock ends are blown out?
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Old September 3rd, 2011, 11:14 AM   #5
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I'll check that. But it really seems like it's coming from my axle or hubs
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Old September 3rd, 2011, 11:23 AM   #6
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Ball joints? I see a ton of them bad
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Old September 3rd, 2011, 04:47 PM   #7
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Ball joints were just replaced.
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Old September 3rd, 2011, 04:52 PM   #8
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Is the swaybar still on the truck or is it just unhooked and floating around?

I would jack up the axle till you get a tire off the ground and try wiggling it up/down and side to side. You could also try locking in the hub and spinning the tire and turn the wheel to lock and try spinning the tire again to check the u joint, but i doubt that is your problem. How does your steering stabilizer look?
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Old September 3rd, 2011, 05:11 PM   #9
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I am thinking its the hubs. have a friend has the same problem but we have not fixed it yet. try to wiggle them and see if one is looser tha the other.
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Old September 3rd, 2011, 06:12 PM   #10
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Yeah one hub is loose. The chrome hub assembly moves
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Old September 3rd, 2011, 06:48 PM   #11
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On my 99 f250 the leaf springs have a plastic pad. On the end of the spring, between the main leaf and 2nd spring. Mine are gone, and make a bang noise over every bump. It has been doing it so long that i dont even notice any more.
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Old September 7th, 2011, 09:57 AM   #12
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Try slightly applying the brakes and see if it stops. If it does, your calipers are too loose. Maybe new anti-rattle clips will fix it. Sometimes you need to replace the caliper mounts. Dont cheap out and buy used ones. Go see your friendly Ford dealer and new ones.
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Old September 7th, 2011, 12:24 PM   #13
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Quote:
Originally Posted by Toivo View Post
shock ends are blown out?

X2

Just had to do this to mine....
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Old September 8th, 2011, 10:22 AM   #14
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maybe try to tape it or stuff something next to the hub to tighten up and drive it to isolate if that is the noise?
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Old September 9th, 2011, 08:45 PM   #15
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Its the axleshaft bearings on the outers. You have to take the spindle off to change them and maybe even the shafts if they are really bad. One way to find out for sure before tearing it apart is to grab the shafts at the u joints and move them up and down . If they have alot of play that's what it is. Pretty common issue on these trucks/ axles
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