If you are running Mud Grapplers - keep an eye on them!
If you've read any posts on here by me about tires, its no secret that I LOVE my Mud Grapplers.
They have been the best tire I have ever owned, super puncture resistant - I had a mesquite thorn go through the front of my fender flare but have yet to have one pierce a Grappler - only flat I've had, I found like 6 nails in one.
They've been awesome on every surface - rocks, mud, sand, snow and ice.
yeah they're noisy on the road, but you get used to it, they chunk a little on the rocks but nothing like a swamper, and yeah they are expensive but they wear great on my 4dr.
2 of mine have split up the sidewall from the side lugs - not just one or 2 little cracks, but numerous canyons on both sides of the tires, to the point that one will leak pretty severely if parked with a split facing down.
I contacted Nitto and got the standard "contact your dealer" form email.
So I took it to the local Discount Tire and they said the only time they had seen that was on 3/4 ton trucks doing burnouts on the street.
Definitely NOT something my minivan motor can do.
They called Nitto and the response was just "prorate a new pair of tires based on tread depth"
no explanation or anything.
so I could have had a new pair of tires for ~ half price, but since they were all about half worn, I still would have had to pay full price for the other 3 and no explanation about the cracks - if they were likely to do it again or anything.
Yeah I have about 35K miles on them, but if it werent for the cracks, they have an easy 15-20K left on them.
BTW - I keep my pressure at about 33psi on the street and rotate them semi- regularly, not as often as I should have but its been done a few times.
So keep an eye on your side lugs if you run Grapplers - these cracks didnt start showing until they had about 30K miles on them.
heres a pic of one of the cracks - and not the worst one
The 2 tires in question have probably 8-12 cracks PER SIDE!
the one that actually leaked, you could stick your pinky finger tip into the crack when it was facing down.