NHTSA Complaint #10054682 — 2001 CHEVROLET IMPALA

COOLANT LEAK AROUND THERMOPLASTIC INTAKE MANIFOLD. THIS COOLANT LEAK DEVELOPED AROUND 42000 MI AND IS A DESIGN FLAW THAT THE DEALER ADMITS. ALSO DEX-COOL IS FALSLEY ADVERTISED THAT IT CAN GO 150,000 OR 5 YEARS. MOST CONSUMERS AREN'T AWARE THAT IT TURNS ACIDIC AND DESTROYS GASKETS AND OTHER COOLING SYSTEM COMPONENTS. I FEEL THE COOLANT LEAK AND ASSOCIATED DEX-COOL PROBLEMS DEMONSTRATES GM FAILURE TO CORRECT A KNOWN DEFECT. UNFORTUNATLEY THE CONSUMER PAYS DEARLY RIGHT AS WARRANTY EXPIRES. GM SHOULD REPLACE THERMOPLASTIC INTAKE MANIFOLD WITH SOMETHING MORE DURABLE AND HEAT RESISTANT.