Table 1 shows one common service brakes related problems of the 2026 GMC Sierra 2500.
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems |
Brand new delivery there was a noise that changes with engine rpm. It also changed with turning the steering wheel. The dealer diagnosed a bad power steering pump. Due to possible metallic contamination all related parts that are connected to the power steering pump including the hydroboost brake assist are going to be replaced.