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Old April 22nd, 2008, 08:38 PM   #1
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Default 2003 F-250 axle question

I picked up a 2003 F-250 used about 2 years ago. About a week ago it began to shimmy real bad when applying brakes. I know its not rotors cuz its all in the steering wheel. Anyone else come across this? Drag link under there?


Also I climbed under to look at it and looks to have a possible junkyard axle in it, does anyone know where I can cross reference axle serial number to see what year it was produced etc??

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Old April 22nd, 2008, 08:45 PM   #2
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Sounds like warped rotors, sometimes you can feel it in the steering and not in the pedal.

I would check the ball joints also as they are known to wear out as early as 70-80k but most of the ones we do have around 120-130k on them.
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Old April 22nd, 2008, 09:32 PM   #3
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The stock rotor's are laminated, if you are a heavy breaker, (such as pulling a trailer without trailer brakes) it will cause that lamination to blister. This in turn causes vibration under braking.
I found this out while hauling a dump trailer.
Usually if the vibration only happens when you apply the brakes, it will be in the braking system.
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Old April 22nd, 2008, 09:40 PM   #4
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I am going to pull tires but I only pull boat 3 miles on side streets with surge brakes. It could be possible, but the steering wheel goes nuts never have run into this... Truck only has 55k on it and I put about 23k in 2 years mostly driving fam to camping etc no trailer...
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Old April 22nd, 2008, 09:42 PM   #5
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Quote:
Originally Posted by NoShow View Post
I am going to pull tires but I only pull boat 3 miles on side streets with surge brakes. It could be possible, but the steering wheel goes nuts never have run into this... Truck only has 55k on it and I put about 23k in 2 years mostly driving fam to camping etc no trailer...
I lost the rotors at 60k, wheel bearings at 80k, and ball joints around 90k.
The good news is that the replacement parts seem to hold up better.
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