[s-cars] Cracked Rim.....another update.....

[qshipq at aol.com]

 I've seen this when a tire is forced to be mounted when the bead of the tire opposite the mounting tool is caught at the bead lip of the wheel.  The trick is to physically push down on the opposite side of the tire to the mounting tongue, so that the last 90 degrees of tire mounting is not stretched too tight.  Kinda like trying to mount a bicycle tire when the inner tube is over inflated.  It's an extra step that requires a bit of muscle and attention, but can save wheel lips from cracking.  I do all my own tires, and never forget this step...  And I've seen guys that do 50 tires a day, regularly ignore it in favor of speed.

HTH and my .02

Scott J

 


 

 

-----Original Message-----
From: David Giannandrea <david.giannandrea at sbcglobal.net>
To: s-car-list at audifans.com
Sent: Tue, Feb 23, 2010 11:51 pm
Subject: Re: [s-cars] Cracked Rim.....another update.....



BOTH me and my friend had a tire shops crack one of our rims. We bought sets
of Michelin Pilot Sport A/S, about a year apart, different tire shops. It
seams that the tires bead isn't very forgiving and stresses the rims edge
enough during mounting to create a hairline crack...and air leak.

I warned by friend about my experience before he went to the tire shop. He
was able to get the shop to replace the rim. Since I was the first to suffer
this anomaly, I had to replace my own. I couldn't convince my tire shop that
it was their fault. And if I were the tire shop owner, I wouldn't have been
convinced either...until the 2nd time.

David G.

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