Weird tire wear - Ford Powerstroke Diesel Forum
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Old 11-22-2012, 07:57 PM

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Weird tire wear

Just had my alignment done not even 1k miles ago.

Already I'm seeing some strange tire wear. It's only on the outer edges of both tires. It's a feathered pattern, like the leading edge of each bump is going \ \ \ instead of _ _ _ .

Picture here:

It's only the outer edges, both left and right tires. Rest of the tire is fine.

The guys who did the alignment didn't look like they knew jack about Ford trucks; most of what they worked on was Hondas. They didn't have a drawer ful of the right eccentric caster/camber spacers, so they sent out and bought what they could get, I think 3/4 degree on both sides. It took them WAY longer than the estimated to do the job too, and they had to rush to finish it up. As a result, they set the caster to just barely in spec, and not the same on both sides either:

I dunno. These are brand-new tires. The last set got chewed up early too. I'm done with this crap. Find another alignment shop? What did these guys do wrong? Or is there something else wrong? Or is this normal?
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Old 11-23-2012, 06:54 AM
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Everything looks within spec to me. They do look like pretty meaty tires for the front of a van though
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Old 11-23-2012, 03:49 PM
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If you have the I beam and weak shocks this could account for the wear ,kinda of a "sawing " action causing "cupping " .
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Old 11-24-2012, 07:32 AM Rookie

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When is the last time you checked and adjusted your wheel bearings?

loose bearings cause this, and does spinning the rear tires.
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