Table 1 shows six common service brakes related problems of the 2004 GMC Sierra 3500. The number one most common problem is related to the brake hoses, lines/piping, and fittings (six problems). The second most common problem is related to the brake sensor (two problems).
While pulling a camper-trailer, I applied the brakes and the pedal went completely to the floor. I was able to stop utilizing the brakes on the trailer. I was only a short distance from home and I was able to get the trailer back, keeping the transmission in 1st gear and the trailer brakes. Read details...
Brake failure due to rusted out brake lines, also on-going since truck was new with abs engaging at slow down due to corroded sensors. Read details...
Brakes failed due to a sudden brake line failure. There had been no prior fluid leaks. The rear metal brake line under the bed rusted at a clamp in front of the fuel tank. As I have looked further into this I have several friends that have had this problem and several shops said that they saw this Read details...