KIA RIO TIRE PROBLEM
2007 Kia Rio • 81,000 miles
Just bought the car from a car lot. Took it in for an alignment and they say that I need a camber bolt due to the tires rubbing. I noticed that the tires on the car are 195/60r15. Yet the car takes 195/55r15. Is there anyway that is the problem or should I listen to them and get the camber bolts?
March 15, 2013.
March 15, 2013.
You have to look at the "camber" values first before deciding if those cam bolts are needed. Camber is the inward or outward tilt of the wheel as viewed from in front of the car. Most cars call for the wheels to be tipped out a very little bit on top but not enough to see by eye. If your tires are rubbing, the first thing is to see what they're rubbing on. If the wheels are tipped in too much, particularly if it's just on one side, suspension ride height is more likely sagged and that has changed the geometry and the motions the wheels go through as they go up and down. Alignment specialists get pretty picky about correcting ride height problems because if the suspension is sagged, there is going to be greatly accelerated tire wear even when the numbers on the alignment computer are perfect.
If the tires are rubbing on the struts, that's from too much negative camber and the wheels need to be stood up straighter or tipped out a little on top. If they're rubbing on the inner fender, that is an issue with tire size. Adjusting camber might alleviate the rubbing but that is not a proper fix because you can't take into account every motion the wheel and tire might go through due to turning left and right, bouncing over bumpy roads, and body lean from cornering. Those things were all factored in when they designed the car around a specified size tire. You also have to look at the current tire wear. If camber is out-of-adjustment badly enough, you'll see increased wear on one edge of that tire's tread. Also, tires want to steer in the direction they're leaning. If camber is wrong on just one wheel, the car will pull in the direction it is leaning. That is one clue an alignment is needed. The other clues are that tire wear, and when the steering wheel is not centered.
Mar 15, 2013.
Mar 15, 2013.
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