Two problems related to engine knocking noise have been reported for the 1997 Kia Motor Sephia. The most recently reported issues are listed below.
Ongoing problem with battery failure; dealer notified, and replaced faulty battery on two occasions, and problem reoccurred. Also, and problem engine hesitation. Dealer notified. The consumer found out right after leasing the vehicle, that the radio was inoperable. The vehicle began squeeking in the rear end when turning. The heater malfunctioned. The left rear strut assembly failed causing knocking noise at right rear. The o-ring failed causeing the distributor leak and there was loss of power while driving.
The brakes and rotors were excessively worn outand replaced twice. Tansmission faild causing, loud knocking noise and new transmission was replaced. Left axle failed and replaced. The battery went out. The vehicle failed to start.