Front Leaf Springs - Ford Powerstroke Diesel Forum
 
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post #1 of 3 Old 06-21-2014, 06:07 PM Thread Starter
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Front Leaf Springs

Does anyone know how to verify whether or not front factory leaf springs are out of spec? I am getting some abnormal wear on the outside of my passenger side tire and after researching found out that it could be caused by sagging leaf springs and/or worn spring shackle bushings. Also, if they are sagging significantly, I have a 3 leaf setup from my neighbor (said it was a 2" lift) that he gave me when he put on a 4" lift. Not sure if they are x-codes or not as I don't know how to decipher the ford code on the spring. Would a leaf spring setup like this ride ok, or would it be too harsh relative to the factory springs? Thanks in advance for any help.

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post #2 of 3 Old 06-21-2014, 09:17 PM
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Springs won't make your tires wear funny. You could install them if you want to level it if you wanted. You really didn't give to much info on the new springs so I'm not sure how they would act. I would recommend getting an alignment. That should fix it. Also check your shocks. If you plan to install the springs do the alignment after you replace your springs.


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post #3 of 3 Old 06-22-2014, 04:23 AM Thread Starter
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Quote:
Originally Posted by sbluke55 View Post
Springs won't make your tires wear funny. You could install them if you want to level it if you wanted. You really didn't give to much info on the new springs so I'm not sure how they would act. I would recommend getting an alignment. That should fix it. Also check your shocks. If you plan to install the springs do the alignment after you replace your springs.
Truck was recently aligned and still pulled to driver side. Uneven wear may not be caused by the springs messing with the caster but it probably doesn't help it once the tires start feathering/cupping. Our roads have a fair amount of crown too so this may be compounding things too. After thinking about it for a while, I think that the root cause of the uneven wear is something has shifted or been damaged in the tire. Will try rotating them today and see if it still pulls or the other tire in that position wears the same way. Still need to figure out who to verify whether or no springs are in spec without paying someone. Will most likely, at the very least, replace the bushings to see if that corrects my pulling problem. Also, ball joint were replaced about 15,000 to 20,000 miles ago, so I know it's not that causing the pulling. Stearing components look good as far as I can tell laying under the truck with someone turning it back and forth.

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