Coolant system- intake manifolds. Dealer advised the intake manifold is leaking. Vehicle has 90K miles (highway). Dealer advised the coolant will mix with the engine oil causing a catastrophic failure. See many other complaint regarding the same replacement on 3.4 liter engines. Previously have replaced both R/L hub bearings, alternator, starter, drivebelt, power steering pump and return line, and radio.

- Flint, MI, USA

Have replaced the entire intake manifold on this car three times. 1999 Grand Am, purchased new, has less than 60,000 miles on it. In addition, have replaced power steering twice and brakes numerous times. Replaced alternator, serpentine belt, battery, starter on ignition, molding due to leaks, wiring on dash, air conditioning resistors/circuits, and headlights/taillights.

- Ashburn, VA, USA