NHTSA complaint: 1997 PONTIAC BONNEVILLE — ENGINE AND ENGINE COOLING:ENGINE
WHILE DRIVING AT NORMAL SPEED DRIVER BEGAN TO SEE SMOKE COMING FROM THE VEHICLE. DRIVER PROCEEDED TO DRIVE HOME, AND PARKED VEHICLE. A MECHANIC STATED THAT THERE WAS A WHOLE IN THE PLENUM THAT ALLOWED WATER TO LEAK AND WARP THE HEADS. *AK
National Highway Traffic Safety Administration — Office of Defects Investigation