2008 GMC Sierra 1500 seat belts problems
13 owner complaints filed with NHTSA name the seat belts on the 2008 GMC Sierra 1500 — 3% of all complaints for this model year.
What owners report
“The contact owns a 2008 GMC Sierra 1500. The contact stated that while driving 5 MPH with her husband and grandson inside the vehicle and entering the driveway at the residence, there was an abnormally loud explosion coming from inside the vehicle and the driver’s side seat belt tightened…”
filed Aug 17, 2026
“I was driving down the highway at 70 mph, when there was a loud bang followed by a gun powder smell. My seatbelts went tight...hazard lights automatically came on...radio went dead...and the Airbag light came on. The pretensioners in both driver and passenger seats had deployed. I pulled over and…”
filed Mar 23, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Seat Belts problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2024 Sierra 1500 | 1 | 0% |
| 2023 Sierra 1500 | 1 | 0% |
| 2021 Sierra 1500 | 3 | 1% |
| 2020 Sierra 1500 | 2 | 0% |
| 2019 Sierra 1500 | 4 | 1% |
| 2018 Sierra 1500 | 5 | 2% |
| 2017 Sierra 1500 | 1 | 0% |
| 2016 Sierra 1500 | 2 | 1% |
| 2015 Sierra 1500 | 16 | 2% |
| 2014 Sierra 1500 | 18 | 2% |
| 2013 Sierra 1500 | 2 | 2% |
| 2012 Sierra 1500 | 2 | 2% |
Other reported problem areas on the 2008 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.