I HAVE A 1999 3/4TON 4x4. MY BRAKES HAVE BEEN OVER HEATING ON LONG TRIPS TOWING AND WHEN NOT TOWING A 24' TRAILER. IT HAPPENS ON FLAT GROUND AS WELL AS GRADES. THE DEALER HAS REPLACED THE CALIPERS AND BRAKES. I'M STILL HAVING THE PROBLEM, BUT NOW THE BRAKES ARE PULLING TO THE LEFT OR RIGHT ALONG WITH THE OVER HEATING. THEY SEEM TO BE ALRIGHT AFTER COOLING DOWN SO I CAN'T DUPLICATE THE PROBLEM FOR THE DEALER. HELP