NHTSA Complaint #10065481 — 1996 PONTIAC BONNEVILLE

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE issue reported to NHTSA

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Complaint Details

ODI Number	10065481
Vehicle	1996 PONTIAC BONNEVILLE
Component	ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Date Filed	April 7, 2004
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	Yes
State	MS

Consumer Description

THE PLASTIC INTAKE MANIFOLD MELTED CAUSING COOLANT TO LEAK INTO THE ENGINE. *PH EGR VALVE IS STUCK AT 67% OPEN POSITION AT IDLE, WHICH IN TURN HEATED THE EGR PIPE CONNECTION AT THE PLASTIC AIR PLENUM AND LED TO THE LEAKING OF COOLANT INTO THE ENGINE. DEALER REPLACED PLASTIC AIR PLENUM WHICH HAS MUCH THICKER WALLS AT THE EGR ENTRANCE. VEHICLE ALSO DOESN'T RUN WELL AT HIGHWAY SPEEDS AND GAS MILEAGE DROPPED. IN ADDITION, CONSUMER ALSO NOTICED LOSS OF OIL PRESSURE, NO ONE KNOWS WHEN THE LEAK ON THE MOTOR STARTED. *LA

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