 Purchased our 2002 Kia Sedona new from show room floor.  Ran well for first year and then the problems started. Loud humming from front end. Dealer said tires, turned out to bad defective boots. Alternator died at 62,000 during a highway drive at  65 mph. 80,000 miles, car begins to surge forward and loose power. Check engine light came on - dealer has no idea on problem. Been in shop a number of times to diagnose issue. Unsafe vehicle at this time which I would not have my family in anymore. Went out and purchased a Toyota Sienna Limited after owning a Tundra as well. What a world of difference.  My 98 Pontiac Montana w/replace transmission was more reliable then this KIA piece of junk!! 