Three problems related to manifold/header/muffler/tail pipe have been reported for the 2008 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Chevrolet Impala based on all problems reported for the 2008 Impala.
Vehicle was leaking oil for the past several months and upon inspection by local repair shop on January 15, 2015, two different visible leaks were found as a result of normal wear and tear after only approx. 73,000 miles. The repair shop indicated that inferior gaskets/seals in the 1) engines intake manifold gasket and 2) the rack and pinion system caused premature leaks to occur in the models. Repair costs are estimated at approx. $2,000.
The contact owns a 2008 Chevrolet Impala. The contact stated that oil was leaking underneath the vehicle. The vehicle was taken to the dealer. The technician diagnosed that the valve cover gasket was leaking oil onto the manifold. As a result, the valve cover gasket needed to be replaced. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure mileage was 90,000.
The contact owns a 2008 Chevrolet Impala. While driving approximately 40 mph, the steering wheel seized without warning. The failure occurred twice. The vehicle was towed to a dealer and the technician stated that the rack and pinion, both front wheel bearings, and the intake manifold needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 78,000.