Intake manifold fracture or explosion during startup
ENGINE
16 NHTSA complaints · 2014-01 → 2017-09
“WHILE THE VEHICLE WAS STATIONARY, THE INTAKE MANIFOLD LEAKED FUEL AND RELEASED VAPORS. THE CONTACT STATED THAT THE INTAKE MANIFOLD WAS FRACTURED”
“I WENT TO START MY 2000 CHEVY IMPALA AFTER SITTING FOR 2 DAYS IN THE COLD. IT WOULD NOT START. WE OPENED THE ENGINE TO CHARGE THE BATTERY. I TRIED TO START THE CAR ONE MORE TIME AND IT SOUNDED LIKE A BOMB WENT OFF”
“WHILE ATTEMPTING TO START THE VEHICLE, IT FAILED TO OPERATE. THE CONTACT HEARD A BOMB NOISE COMING FROM THE ENGINE AND THE ENGINE COVER, FUEL CAP, AND THE INTAKE MANIFOLD DETACHED FROM THE VEHICLE”