Mike Billings

Looking for some guidance regarding how to measure tread wear on PSC2.

Discount tire won't service my new PSC2 ZP that has 30 gentle miles on it and a nail in the center of the tread. I'd like them to honor the warranty I purchased.

They are measuring the shallow circumferential groove, not either of the two deep grooves. They are saying the tire is too worn and is not serviceable.

When I google PSC2 images, the PSC2 ZPs look like my 335s with 2 deep grooves and one shallow groove. The regular PSC2 have 3 deep grooves.

Michelin tech support says all of the grooves are the same depth. I asked her if she has ever seen the tires or has a photo and she said no. I asked if maybe I should run Pirelli and she really didn't care.

Discount tire called Michelin as well and got the same answer.

I think Michelin should inform Discount Tire how to measure tire wear, but if Michelin doesn't know, then that's a problem.

Ideas?

MyNameIdeasWereT

Find a mom and pop tire shop that will patch a tire regardless of age or tread depth, just make sure they have equipment for mounting on your wheel size.
Most places only charge $10-$20 for a dismount, patch, and rebalance. Annoying that Discount won't honor their warranty, but your story is pretty common with my experiences at other mainstream tire stores.

Mike Billings

Thanks. That helps.

Mike Billings

I called Michelin again today and got concurrence that the PSC2 ZP has two 5.7mm deep grooves and one very shallow groove while the PSC2 non-ZP has three deep grooves.

Going back to discount tire today to plead my case. I just want them to service the tire.

Thanks again for the tip above. Will talk to Wheel Specialists in Tempe to see if they can service it.