Table 1 shows eight common power train related problems of the 2003 Chevrolet Impala. The number one most common problem is related to the power train (seven problems). The second most common problem is related to the automatic transmission (six problems).
The power steering return hose rubs against some part of the motor and rub a hole in power steering return house Read details...
Transmission pan bolts loosen every 25,000 to 30,000 miles. Read details...
When stepping on gas car hesitates before engaging into gear. It is intermittent and seems to happen periodically especially after car warms up. It jerks into gear from a dead stop. Was told by the dealer it was the transmission solenoid switch but was not covered. Read details...