Table 1 shows six common service brakes related problems of the 2001 GMC Sierra 3500. The number one most common problem is related to the service brakes (three problems). The second most common problem is related to the brake antilock wheel speed sensor (one problem).
I almost ran into another car because the other driver stopped suddenly and I had to pump the brakes over and over to stop when the rusted line broke. I was on a city street driving speed limit and was lucky to be able to stop. Read details...
Brake pedal will go hard at low speed and not brake. My dealer said it is the wheel speed sensor and he cleaned it. GMC has a recall for this problem on their suvs and some pickups but not for my truck. Read details...
While driving I had my brakes fail, the pedal went to the floor. It was a result of a broken steel brake line under the drivers seat. What I found when I looked under the truck was all the lines that went to the abs unit were badly rusted. Read details...