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Originally Posted by 300c Owner
Anyone else experiencing tire wear that may be related to the original alignment issue. After only 40,000 KMs.
The pulling to the right is likely a high sensitivity to road crown caused by Caster.
My issue is was the original alignment given excessive Camber or Toe IN?
Below are some images of passenger and drive tires and left and right edge shots of the driver tire. The passenger tire is identical.
Of interest I loaded an image of the rear tire as well which did wear reasonably well except for the centre has excessive wear. This is likely due to excessive air preasure. In summary, 340 hp does have something to do with the rear tire wear.
I have not rotated the tires according to maintenance records. I always dislike the vibrations that starts to cause. There is nothing like the ORIGINAL balancing. The reality is that the tire rotation would have masked the true wear issue.
Comments welcome.
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It's obvious to me that you have paid little to no attention to your tires for 25,000 miles. Had you done so you would have picked up the problems earlier and saved the tires. Tire pressure should be checked at least at every oil change. Had you done so the excessive center wear on the rear tire could have been avoided by simply leaving out some air!
I had feathering problems with the front tires due to improper initial factory toe-in. Had that fixed at 7200 miles after visually noticing it. I too feel that rotating tires on such a short rotation interval (6000 miles) just hides the wear, but the thing is that the tires are inspected during rotations and problems can be picked up way before excessive wear occurs.
I too once rotated a set of tires and had such bad tire noise that I rotated them back to their original positions where they stayed for a total of 50000 miles before replacement. Some tires just don't like being moved I guess.
Sorry, but I can see only operator-error and neglect in those pictures.
If you have the car professional serviced, you need to find another pro who knows what he is doing.
