AFTER TAKING MY TRUCK IN FOR A COMPLETE FUEL SYSTEM CLEANING SERVICE, I STARTED TO HEAR A RATTLING SOUND EVERY TIME I TURNED ON THE AC. I TOOK IT BACK TO THE DEALERSHIP (CAPITAL CHEVROLET IN MONTGOMERY, ALABAMA) THINKING THAT THEY FORGOT TO TIGHTEN UP SOMETHING -- ONLY TO FIND OUT I NEED A NEW AC COMPRESSOR. I OVERHEARD THE SERVICE TECHNICIAN SAY THAT THERE IS A BULLETIN OUT ON THIS. I CALLED THE 800# BUT HAVE NOT GOTTEN A RESPONSE IN OVER A WEEK. I WAS TOLD BY 2 INDEPENDENT SERVICE MECHANICS THAT THIS IS A MAJOR PROBLEM WITH THAT THE SUBURBAN AND TAHOE!!! DECEMBER 2002. ATTEMPTED TO STOP SUDDENLY. BRAKES LOCKED AND THE CAR WENT INTO A TERRIBLE SKID. WAS UNABLE TO CONTROL THE BRAKES BY PUMPING. THE CAR EVENTUALLY SKIDDED OFF THE ROAD INTO A DITCH CAUSING TREMENDOUS FRONT-END DAMAGE. AIR BAGS NEVER DEPLOYED. CAR WAS GOING ABOUT 25 MILES/HOUR WHEN BRAKES WERE APPLIED.