TIRE CUPPING

  • Tiny
  • Bubbagump*1
  • 1999 Chevrolet
  • 120,000 miles

I have a 1999 Chevy K1500 4x4 extended cab pickup 5.7 old body style. I am haveing trouble with the front tires cupping. This has been going on for a while know and I'm not sure what else to check. I put new shocks on, air pressure is correct, alignment done, balance and rotate. Any suggestions would be helpful. Thanks

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Monday, June 4th, 2012 AT 11:08 AM

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  • Tiny
  • hmac300
  • Expert
  • 43,718 posts

If they started to cup then the only thing you can do is put the m on the rear so they may straighten out due to the leaf spring set up in back. If these are 80 psi tires, lower the rear tire s to 55 psi when empty if that is the way you drive it all the time, then when you put a load like a trailer or box loaded put at 80psi once again.

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Monday, June 4th, 2012 AT 12:26 PM

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