It could also come from bad struts... cupping, comes from the tire bouncing... Or it could also just be a bad batch of rubber... Either way, have them replaced, if it continues you may end up with a blowout...
~*TJ*~ 97 GL Sport Zetec ~*RIP*~Connie~*1/21/02*
~*Mods*~ E0 SVT Rims~205/55R16 Goodyear American Eagles~
~*Mods to come*~ H&R springs~Konis~Coilovers~17x7 Millie Miglia Avia~215/45R17 S-03's~SVT body kit~98+ OE Spoiler~CAI~Brullen Cat-Back~Turbo (or 2):)~
