Two problems related to brake grinding noise have been reported for the 2009 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Chevrolet Impala based on all problems reported for the 2009 Impala.
The contact owns a 2009 Chevrolet Impala. While stationary, the traction control and abs indicators remained illuminated. While turning the vehicle, it made a loud grinding noise as if the traction were unstable. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 170,000. The VIN was not available.
The vehicle traction control system (tcs) - "service system" warning message appeared ( lit up ) on dash display as the vehicle operator attempted to pull out into traffic, making a left turn onto the roadway. The warning message was accompanied by a grinding noise in area of the left front wheel and a sudden decrease in engine power and self slowing/braking of the vehicle suddenly, causing other vehicle operators on the roadway to take evasive action to prevent a collision. The owner contacted several dealers about this problem as the "service traction controll" warning activated three times previously but without power loss on those occasions. The vehicle owner was advised by all the dealers that they "can only diagnose the problem when the warning light is lit as it is a random problem. " this is a life threatening defect that is widely known by Impala owners and Chevrolet dealers for the past seven or eight years and nothing has been done to effect a safety recall. Google { Impala traction control problem and you will see many,many complaints about this defect.