One problem related to brakes failed has been reported for the 2004 Volkswagen Passat. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Volkswagen Passat based on all problems reported for the 2004 Passat.
Front disc brake rotor failed (separated from bolting hub) in hard braking at about 35 miles per hour. Brakes had been replaced in 2009 and had approximately 37,000 miles driven since replacement. No other signs of excessive wear or warpage noted by auto technicians. Failed part number 4b0-615-301-b.