hemi sir, what I was going to do ,I TOOK HE ACCU. BALL OFF OF MY PARTS CAR IT WAS NEW, WHEN I took off the other ball, I NOTICED THE ROD IN THE SPACER MOVED A LITTLE,,BUT THE ROD IN MY PARTS DID NOT, I THOUGH IF ONE MOVED AND OTHER DID NOT THAT IT WOULD A PROBLEN WITH MY ABS SYS. I HAVE IT IN THE SHOP,WE CAN NOT FIGURE OUT WHY THE BRAKES DON'T WORK. DID EVERYTHING BY THE BOOK,,BUT ABS LIGHT STILL ON .THE CAR DOES STOP. IS THERE SOMETHING ELSE THAT I NEED TO DO?????? HOPE THIS ANSWERS YOUR QUESTION. THANKS FOR YOUR HELP MARVIN.