Table 1 shows seven common service brakes related problems of the 2003 Kia Motor RIO. The number one most common problem is related to the service brakes (six problems). The second most common problem is related to the brake disc pads (two problems).
My brake proportioning valve on my 2003 kia Rio cracked. My mechanic says it should never crack no matter the temperature climate etc. He says he has never seen a cracked one before and my car would have no signs that it was bad. I would go from perfect brakes to no brakes. Read details...
Front, right brake rotor separated at the inboard half. Pieces not found. Outboard half remained intact, and is available for study/analysis. Was able to use brakes although extremely spongy and danger of resulting fire from sparks (metal-tometal contact). Replaced rotor and pads. Read details...
While accelerating my 2003 kia Rio onto the interstate while going uphill, the car's transmission slipped and had no power on the incline even when it was floored. It always does this when passing cars also. I took it to the dealer who said they could find nothing wrong with it. Read details...