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Is it just from all the in town driving or what ??? This is a 2007 4wd with at HBS 2" leveling kit, nitto terra 325/60/18 on Moto 18x9 rims.. I just put on my 2nd set of tires in a year and the front outside edges of both tires are starting to round... Alignment shop says it's good, so just looking for some pointers if anyone has any...
If the outside edges are wearing on both the driver side and passenger side, it's toed in too much, or your ball joints (probably the uppers) are bad. The only other thing it could be would be hub assemblies.
If just one tire is wearing on the outside, then it's most likely your ball joint (probably the upper) and 2nd guess is hub assembly.
If the alignment shop didn't find anything, go to another shop. Tires don't just wear out on one side. Sometimes they wear out on both sides (so like the outside edges of one tire) and that is from under inflation. They can also wear out too fast in the middle and that is from over inflation.
ok, so you saying the outside of my drivers tire being the only one wearing to check the upper ball joint on the drivers side? thats how im reading it
That is correct. It could be the lower as well, but usually the upper goes first. To check it for play, just jack up the driver side tire off the ground about 6" and use a long pry bar under the tire (I use the handle off of my Hi Lift jack) to pry the tire up and down. If it moves at all, the lower ball joint is bad. If you can pry on it while looking at the ball joint (use a light), you can see the shaft move up and down inside the cup.
To check the upper, you then just grab the tire from the side at 12 and 6 and try to wiggle it quickly. If it moves at all, the upper ball joint is bad. I just replaced the ball joints one one truck that were so bad, I could push the tire with my finger and it would pop back and forth. Both of his ball joints were bad and his tire was wearing on the outside edge, just on the driver side. But what I said is not based on just this one truck... I've been doing this for a long time.
Sometimes you can even stand in front of or behind the truck and look at the tire and tell it is leaning when it's on the ground.
You would think if they did an alignment on it the first thing they would check would be the ball joints
Yeah, that's what I was thinking. But you never know. I guess it's easier to tell someone "no" than to try and fix it, if you are a really busy shop or just don't want to work. Alignment techs are strange creatures sometimes. It's not easy to find one who actually wants to do a good job, as opposed to just punching the clock.
The dealership ones are the worst. They check for ball joints good enough, which is normally what they blame if anything is wrong with the front end. They also are always trying to put trucks in factory specs.
I'm thinkiing just like you are about the ball joints.Probably zero two on the alignment rack but starts to push outwards onces the truck starts to move...
This is the problem i have with my truck right now. My passenger tire is wearing on the outside. There's almost a 1/4" difference in tread depth from the inner and outer edge of the tire. If it was bent axle tubes they would wear on the inside. If it was bad king pins they would also wear on the inside due to downward force cuasing the tires to lean inwards. It's outside tread wear. I cant see this being anything other than too much toe in. I took it to the alignment shop and they said it was within spec. Don't mean to high jack the thread but could someone chime in?
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