One problem related to brake drum has been reported for the 1998 Kia Motor Sephia. The most recently reported issues are listed below.
When the transmission was in reverse, it would pop out of gear into neutral. Then vehicle would stop. Also, abs brakes were replaced twice due to excessive wear to drums. Headlights would have condensation, and dashboard was replaced due to cracks. Vehicle now on third transmission and it still slips out of reverse when backing up.