One problem related to brake disc caliper has been reported for the 2025 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2025 GMC Sierra 3500 based on all problems reported for the 2025 Sierra 3500.
The contact owns a 2025 GMC Sierra 3500 used for hauling a 2026 aluminum trailer equipped with a deemaxx: dbi-7k-maxx-ss-kit brake kit. The contact stated that while driving at an undisclosed speed, the brake caliper bracket detached due to insufficient generic quality bolts included in the brake kit. The contact pulled over and had the trailer towed to an RV park. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure but informed the contact that the failure was caused by improper installation. The failure mileage was unknown. The VIN was not available.
| Service Brakes problems | |
| Brake Disc Caliper problems |