1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

Front Suspension

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Old 06-25-2012, 10:02 PM
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Question Front Suspension

Hay there guys, here With another question I replaced the rubber doughnut at the end of what I believe is called the torsion bar,its the bar that connects to the chassis and the I beam right under the coil spring,please correct me if I am wrong any ways I have knowedest that my tires are wearing out on the outside edge,my question is did I run my truck out of aliment wen I Took the torsion bar of to replace the rubbers, king pins are tight no play there if so do I take it to a regular aliment shop to have it fixed, or to a big rig shop please help oh almost forgot tires squeal wen I turn thanks in advance.
 
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Old 06-25-2012, 10:38 PM
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If in correct the rubber doughnut is the insulators on the very ends of the radius arms. And the beam under the coils and and on the inside of the shocks are the actual i beam axles. Twin i beam if you have 2wd and solid i beam if you have 4wd.

Im guessing its a 2wd.
Other than the squeeling and tires wearing down any other problems? Does it track straight?

About the wearing down are you sure its only on the outside edge? You might have incorrect toe-in, under inflation or your misalienged. So most likely its what you said. Misaligned from having the radius arm off. To correct that you'll need help from someone other than myself.

Just my 2 cents. Hope it helped! Good luck.
--lil Smokey--
 
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Old 06-25-2012, 11:11 PM
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Radius arm bushings should always be replaced as sets - that means all four, two per radius arm.

If you're wearing the outside of the tire, that's excessive positive camber or too much toe. If it were a tire pressure issue, over-inflation would wear the middle more that the tire's shoulders. Underinflation would result in both shoulders wearing faster than the middle.
 
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Old 06-26-2012, 12:17 AM
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Thanks for the quick response guys and for correction on the name of the part, Lilsmokey yes the truck track pretty straight and my tires have 50psi out of 80psi. 80psi bean the maximum ,Hio silver I did replace all 4 insulators, so will an aliment fix the problem,regular auto shop or do I have to take to a big rig shop.
 
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Old 06-26-2012, 08:13 AM
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Caster and camber are built into the beams from the factory. If for some reason they need to adjusted, they have to be heated and tweaked to the correct caster and camber. Most likely it is a toe in-toe out issue. A regular shop should be able to do it for you.
Did you check the bushings where the beams pivot? Some times these get worn out also.
 
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Old 06-26-2012, 08:33 AM
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are you talking about the bushing where the beam starts at the opposite end from the wheel,or the bushing for the spindle.
Now am I causing this problem by lifting the truck from the beam just a couple of inches to the side of wheel so I can put a stand for wen I work on breaks or change tires please tell me I am not the one to blame
 
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Old 06-26-2012, 10:07 AM
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Originally Posted by 19704X4F250
Caster and camber are built into the beams from the factory. If for some reason they need to adjusted, they have to be heated and tweaked to the correct caster and camber. Most likely it is a toe in-toe out issue. A regular shop should be able to do it for you.
Did you check the bushings where the beams pivot? Some times these get worn out also.
This is wrong. The beams are not supposed to be heated. They are to be cold bent when adjustment is required. Most "regular" shops now have no idea what to do to properly align your truck. You would be better served searching out a heavy truck shop. Replacing the eye bushings in the beams is a good idea especially with a truck this old.
 
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Old 06-26-2012, 10:09 AM
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Originally Posted by tasboj
are you talking about the bushing where the beam starts at the opposite end from the wheel,or the bushing for the spindle.
Now am I causing this problem by lifting the truck from the beam just a couple of inches to the side of wheel so I can put a stand for wen I work on breaks or change tires please tell me I am not the one to blame
You are not going to hurt anything by supporting the vehicle by the beams.
 
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Old 06-26-2012, 04:33 PM
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Thanks elgemcdlf for the quick response I will change the bushings and then search for a shop to have the aliment done.
 
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Old 06-28-2012, 01:38 AM
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Id llok for a hotrod shop with a old guy that owns and runs it. Most kids dont know anything these days, I can say this because im only 20 and have been corrected multiple times and have a\had good ol guys helping me fix cars and trucks since I was 13. Good luck
 
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Old 06-28-2012, 01:49 AM
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Probably a camber issue. I'd replace the pivot bushings and probably think about a new set of front coil springs before the alignment, how's your drag llink, tie rod ends, etc.?
 
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