DID ANYONE NEEDED TO REPLACE THE O-RING IN THE COOLANT TUBE AFTER THEY DID A EGR COOLER DELETE? HAD NOTTICE COOLANT UNDER THE TRUCK FOR FEW DAYS NOW AND WAS THINKING IT WAS MY WATER PUMP DUE TO THE BIG RECALL. BUT WHERE THE COOLANT DRIP WASN'T CLOSE TO THE FRONT OF THE ENGINE. COULDN'T FINE THE LEAK..NO WET SPOTS FOUND AROUND THE WATER PUMP AREA..THEN I HAD NOTTICE RIGHT UNDER THE COOLANT TUBE WAS SOME WET SPOTS..PIN POINT THE PROBLEM THAT WAS THE O-RING IN THE DELETE KIT THAT GOES IN THE STOCK COOLANT TUBE MUST GONE BAD. CONTACTED SINISTER DIESEL FOR SOME NEW O-RING..DID ANYONE HAVE THIS PROBLEM??