2010 MAZDA TRIBUTE Electronic Stability Control Esc Problems

I PURCHASED A 2010 MAZDA I GRAND TOURING 10/21/09. ELECTRONIC STABILITY CONTROL WAS DEFECTIVE BY 10/24/09. THE DEALER COULD NOT GET THE PART . I WAS TOLD THAT THE CAR WAS TOO NEW. A NEW MAZDA WAS BROUGHT IN AND THE PART WAS TAKEN FROM IT AFTER 29 DAYS AT THE DEALER. I HAVE A SQUEAL NOISE COMING FROM THE REAR UPON ACCELERATION FROM A FULL STOP. MAZDA SAYS IT IS THE TRANSFER CASE THAT RUBS AND MAKES THE NOISE. NOTHING TO WORRY NOT A SAFETY ISSUE. CAR HAS 1500 MILES ON IT. CAR HAS NEVER BEEN THE SAME SINCE THE ECS WAS REPLACED 1/9/10. NOT SURE WHAT MAZDA IS GOING TO DO. THEY DID NOT ADVISE ME THAT THEY WOULD BE REPLACING TRANSMISSION. I WAS TOLD I COULD DRIVE IT LIKE IT IS AND LIVE WITH THE NOISE, AS IT IS NOT A SAFETY ISSUE. I WOULD RECEIVE A...