One problem related to brake master cylinder has been reported for the 2002 Kia Motor RIO. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Kia Motor RIO based on all problems reported for the 2002 RIO.
Upon coming to a stop sign and engaging the brakes the pedal went to the floor. Dealer claimed that master cylinder wore out. This vehicle had been serviced for this same problem four times earlier.