TL*THE CONTACT OWNS A 2007 CHEVROLET SILVERADO 2500. AFTER DRIVING 55 MPH FOR APPROXIMATELY AN HOUR AND A HALF, THE CONTACT EXITED THE VEHICLE AND NOTICED SMOKE AND FLAMES UNDERNEATH THE HOOD ON THE DRIVER'S SIDE. THE VEHICLE WAS DESTROYED AND TOWED TO THE SALVAGE YARD. THE MANUFACTURER HAS NOT BEEN NOTIFIED. THE FIRE DEPARTMENT WAS CALLED AND A REPORT WAS FILED. THE CONTACT SUFFERED FROM SMOKE INHALATION. THE FAILURE AND CURRENT MILEAGES WERE 150,100.