GMC Sierra 3500 owners have reported 129 service brakes related problems since 1996. Table 1 shows the 15 most common service brakes problems. The number one most common problem is related to the vehicle's service brakes (68 problems). The second most common problem is related to the vehicle's brake hoses, lines/piping, and fittings (21 problems). For details of each of the problem category, use the links in the table.
The electronic part of the truck gave a warning and shut off my trailer brake system while towing a 21k 5th wheel trailer (x2). The truck is available for inspection. Any part of the electronics package that has the ability to disable a trailer braking system while towing needs to be Read details...
The contact owns a 2005 GMC Sierra 3500. When the brake pedal was depressed at 20 mph, the vehicle hesitated to respond without warning. After inspecting the vehicle, it was discovered that the brake lines were corroded and needed to be replaced. Read details...
The contact owns a 2006 GMC Sierra 3500. While the vehicle was stationary, the power steering fluid leaked into the braking system and caused the brakes to seize. The vehicle was repaired and all of the hoses affected by the brake fluid were replaced. Read details...
The contact owns a 2014 GMC Sierra 3500. The contact stated while driving at 35 mph, the brakes failed causing the front driver side of the vehicle to crash into a sign. The contact was able to drive the vehicle back home. The contact suffered some leg soreness. A police report was filed. Read details...
Tl-the contact owns a 2018 GMC Sierra 3500. The contact stated that while driving at approximately 60 mph and hauling a trailer, the abs warning light, the service trailer brake, service power steering warning lightand service stabili-trac warning light illuminated and the vehicle lost braking Read details...