One problem related to engine knocking noise has been reported for the 2003 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Chevrolet Impala based on all problems reported for the 2003 Impala.
Tl-the contact owns a 2003 Chevrolet Impala. The contact stated that while driving at any speed, the vehicle would start to shake with a knocking noise then it stalled without warning. In addition the vehicle transmission leak flued and also failed to start. The vehicle was taken to an independent mechanic where it was diagnosed that the engine is bad and needed to be replaced. The manufacturer was not notified of the failure. The approximate failure mileage was 149,000. Aw.