NHTSA Complaint #10108329 — 1997 PONTIAC BONNEVILLE

G.M. 3800 SERIESII V-6 ENGINE PLASTIC UPPER INTAKE MANIFOLD PLENUM & GASKETS. FAILURE OF INFERIOR PARTS IN CONJUCTION WITH DEX COOL (G.M. ANTI-FREEZE/COOLANT). CAUSING DETERIORATION AND FAILURE OF PLENUM FORCING COOLANT INTO ENGINE. ENGINE IMMEDIATELY SEIZES,TRYING TO RESTART WILL CAUSE DAMAGE TO STARTER,FLYWHEEL,BATT.,AND ENGINE. REMEDY? TOW TO G.M. SERVICE CENTER REPLACE UPPER INTAKE MANIFOLD PLENUM,MANIFOLD GSKTS,SPARK PLUGS & WIRES,STARTER,PWR-FLUSH ENG.& COOLING SYS.,REPLACE ALL FLUIDS. G.M. IS AWARE OF PROBLEM THEY SHOULD BE HELD ACCOUNTABLE. SERVICE MNGR. TOLD ME DAMAGES TO VEH.WAS NOT DUE LACK OF MAINTENANCE BUT USE OF PLASTIC PARTS AND COOLANT BY G.M. THIS A MAJOR DEFECT & PROBLEM. COST OF REPAIRS? $1,300.00. *AK