1999 GMC Sierra seats problems
23 owner complaints filed with NHTSA name the seats on the 1999 GMC Sierra — 4% of all complaints for this model year.
What owners report
“I have a 1999 gmc sierra extended cad truck the drivers seat adjustment made of plastic when it breaks the seat will not lock. The seat belt is attached to the seat so in the event of an accident all that is holding is flimsy plastic. I checked all the salvage yards in my area they said every truck…”
filed Jul 7, 2006
“Dt*: the contact stated while stopping the vehicle, both front seats move forward/backwards a quarter of an inch. The dealership determined the entire seat assembly needs to be replaced. Updated 5/10/2006 - the power seat track on both front seats were loose. *nm”
filed Apr 14, 2006
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Seats problems in other Sierra years
| Year | Reports | Share |
|---|---|---|
| 2017 Sierra | 1 | 2% |
| 2015 Sierra | 2 | 4% |
| 2014 Sierra | 2 | 2% |
| 2013 Sierra | 1 | 3% |
| 2006 Sierra | 1 | 2% |
| 2005 Sierra | 2 | 2% |
| 2004 Sierra | 1 | 1% |
| 2003 Sierra | 3 | 1% |
| 2002 Sierra | 3 | 1% |
| 2000 Sierra | 2 | 0% |
| 1997 Sierra | 6 | 3% |
| 1996 Sierra | 20 | 8% |
Other reported problem areas on the 1999 GMC Sierra
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.