One problem related to brake disc rotor has been reported for the 2004 Ford Ranger. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Ford Ranger based on all problems reported for the 2004 Ranger.
I have a 2004 Ford Ranger with 12000 miles and the front brakes started to pulse very much. After taking it to a mechanic I was told that the front rotors were shot. The mechanic told me that the rotors metal was peeling off. I had the rotors replaced. I did save the old rotors.