Intake manifold gasket coolant and oil leaks
ENGINE AND ENGINE COOLING
8 NHTSA complaints · 2003-01 → 2010-02
“I HAVE A 2000 MONTE CARLO AND HAD TO HAVE THE INTAKE MANIFOLD GASKETS REPLACED DUE TO OIL AND WATER MIXING TOGETHER IN THE ENGINE”
“MY CHEVY MONTE CARLO'S MANIFOLD INTAKE GASKET ERODED AWAY LETTING THE ENGINE OIL AND COOLANT TO LEAK OUT”
“LOW COOLENT. TOOK TO THE DEALER AT 40,000 MILES FOR PROBLEM. DEALER REPLACED MANIFOLD INTAKE GASKETT”