TL* THE CONTACT OWNS A 2017 DODGE CHALLENGER. WHILE DRIVING 55 MPH, THE CONTACT NOTICED SMOKE COMING FROM THE REAR OF THE VEHICLE. THE CONTACT PULLED OFF THE ROADWAY AND TURNED OFF THE ENGINE AS SMOKE ENGULFED THE INTERIOR AND EXTERIOR OF THE VEHICLE. THERE WERE NO WARNING INDICATORS ILLUMINATED AND NO FIRE. THE CONTACT OPENED THE HOOD AND NOTICED OIL LEAKING UNDERNEATH THE VEHICLE AND OIL ON BOTH REAR TIRES. THE VEHICLE WAS TAKEN TO SIERRA MOTORS INC-BILL WALSH AUTO GROUP (510 E NORRIS DR, OTTAWA, IL 61350 (815) 433-1666) WHERE IT WAS DIAGNOSED WITH FAULTY OIL COOLER LINES THAT NEEDED REPLACEMENT. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND INFORMED THE CONTACT THAT THEY WOULD REPAIR THE VEHICLE. THE CONTACT INQUIRED ABOUT NHTSA CAMPAIGN NUMBER: 17V496000 (ENGINE AND ENGINE COOLING) AND WAS INFORMED THAT THE RECALL WAS SET TO BEGIN ON SEPTEMBER 22, 2017. THE AFFECTED VINS WERE NOT RELEASED YET. THE FAILURE MILEAGE WAS APPROXIMATELY 1,700.