One problem related to engine knocking noise has been reported for the 2002 Saturn LS. The most recently reported issues are listed below.
The contact owns a 2002 Saturn l200. While driving approximately 30 mph, there was a knocking sound from the engine area. The contact pulled over to the side of the road and had the vehicle towed to the dealer. The technicians stated the engine needed to be replaced because the timing chain broke. The vehicle was not repaired. The approximate failure mileage was 102,000.