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I have a 2003 V10 2wd F250 with about 10,000 miles on it. Lately I've been noticing that I have to steer alot more to keep the truck going straight. It happens on both smooth and rough surfaces. I brought the truck to the dealer and didn't get much help. They checked the suspension (which was ok), did an alignment, saying the toe was out a tiny bit, and lowered the air pressure in the front from where I like it at 60 psi to 50psi. It didn't help at all, and the wandering was still there. I'll probably go back, but I was wondering if others were having this problem. I think it could be a tire balance issue, although they feel ok, or a problem with the power steering, or just the way the truck drives.
I have seen this problem talked about on here before so I don't think that it is an unusual problem. I have heard that Ford only aligns one in five vehicles that come down the assembly line, but I have no way to verify this of course. You said that the dealer performed an alignment so that rules out that area. I have also heard that the stock steering stabilizers are not that good. You might upgrade to a Rancho or other aftermarket steering stabilizer to see if that helps. I don't believe that they are that expensive. I don't know if this will cure the problem but you might do so more research on it and see what you think about the idea.
if your runing 60 psi in the rear tires , put it where its supposed to be.................the truck will sway without proper rear air pressure and feel "floaty" going down the highway . also the longer the truck the more noticable it will be . my tires call for 80 psi cold and thats where i run them............also if you have rotated your tires lately the fronts that are now in the back need to scrub off the "high spots" to have a full tire foot print on the ground.........
The sticker on the door says to the rear tires should be inflated to 70psi and the front to 50psi. I've always put 60psi in the front because it felt too soft with the lower pressure. I tried lowering the pressure back down to 50psi, but it didn't seem to help. As far as tire rotation, I did it once so far at 7,000 miles and was going to wait until it hit 14,000 (10,000 mile currently)before doing it again. I might rotate them a little earlier to see if it helps.
I had the same problem [2000 f250], after several trips to the dealer the caster angle cones were replaced to increase the angles. That clearly fixed the problem.
How bad was the steering wander in your truck, and was it there from the beginning? The wandering on mine just started and it's kind of minor, but still real annoying after a while.
It was bad & very annoying. This was clearly present from the start.
A gradual onset sounds like another problem although a lack of caster angle will exacerbate any other stability problem.
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