Three problems related to axle assembly have been reported for the 1998 Kia Motor Sportage. The most recently reported issues are listed below.
Wheel bearing and hubs cracked, causing the metal to grind when making a right turn. Also when applying the brakes, pedal goes to the floor, cause unknown. Was advised by midas not to drive vehicle- wheele could come off.
Consumer had recall for the rear axle and bearings remedied in 08/99. According to dealer's diagnostic, the components have failed again ,and could cause wheels to become detached from vehicle while driving.
I can send you a email I sent to channel 7 out here in denver colo. No safety defect stated in summary.