THE ELECTRIC CONNECTOR FOR THE LOW PRESSURE/ LOSS OF FLUID WAS NOT CONNECTED AT THE FACTORY TO THE ABS VALVE. THE ORIGINAL BATTERY LEAKED AT THE + POST. THE OEM REPLACEMENT BATTERY DID THE SAME. AFTER THAT I SWITCHED TO AN AFTER MARKET GEL BATTERY,OPTIMA BRAND AND NEVER HAD A PROBLEM WITH IT. THE FACTORY INSTALLED TRAILER HITCH PLATFORM STARTED TO FAILL WHEN I WAS TOWING A 9000LBS TRAILER,SHOWING A 3 TO 4 INCH CRACK IN THE RIGHT SIDE BOLTED TO THE FRAME. ALL THOSE FAILLED PARTS WERE REPLACED AT NO CHARGE BY THE DEALER UNDER EITHER GMC WARRENTY OR "GOOD WILL" POLICY. *AK
1998
TIRES:TREAD/BELT
WHILE TRAVELING 75MPH TREAD CAME OFF LEFT FRONT TIRE. HAD NO WARNING OR VIBRATION OF VEHICLE. WEATHER WAS 95%. RIM DUG INTO CONCRETE. DID NOT LOSE CONTROL OF VEHICLE. FINALLY,PULLED OVER & STOPPED. CHECKED & CHANGED TIRE WITH THE SPARE. TIRE HAD DISINTERGRATED. TIRE SIZE IS 245/75R16. *AK