2006 GMC Sierra 1500 power train problems
13 owner complaints filed with NHTSA name the power train on the 2006 GMC Sierra 1500 — 9% of all complaints for this model year.
What owners report
“Tl* the contact owns a 2006 gmc sierra 1500. While driving various speeds, the vehicle made a loud clunking noise when the accelerator pedal was depressed. In addition, the vehicle shifted hard when switching gears. An independent mechanic diagnosed that the valve body inside the transmission was…”
filed Sep 18, 2017
“1.rusted brake lines blowout.fortunately mine happened in a parking lot,not on the turnpike,and requiring an emergency stop. 2.clutch master cylinder plastic mounting flange separates when clutch is depressed,disabeling std.transmission.on residential street.”
filed Aug 19, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 17 | 25% |
| 2025 Sierra 1500 | 20 | 22% |
| 2024 Sierra 1500 | 64 | 20% |
| 2023 Sierra 1500 | 81 | 19% |
| 2022 Sierra 1500 | 100 | 18% |
| 2021 Sierra 1500 | 129 | 24% |
| 2020 Sierra 1500 | 88 | 20% |
| 2019 Sierra 1500 | 129 | 21% |
| 2018 Sierra 1500 | 125 | 43% |
| 2017 Sierra 1500 | 116 | 33% |
| 2016 Sierra 1500 | 83 | 25% |
| 2015 Sierra 1500 | 95 | 13% |
Other reported problem areas on the 2006 GMC Sierra 1500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.