GMC Sierra owners manuals
- Owners reported that the four-wheel-drive transfer case position sensor or the selector switch may fail and cause a service 4WD message to display. The transfer case control module stores fault codes, which helps to figure out the problem. The problem affects models from 1999 through 2013 plus 2015 and 2016.
- Heating and air conditioning temperature and air delivery mode door actuators may break. This issue affects the model years from 1999 through 2015.
- Failure of the fuel level sensor causing the fuel level sensor in the fuel tank to not properly read the fuel level. The issue is mostly seen in model years 1999 through 2014.
- Clunking noise coming from the upper intermediate steering shaft.
- Speedometer or other gauges in the instrument panel might begin to work intermittently.
The GMC Sierra is a range of heavy-duty pickup trucks produced by General Motors. The heavy-duty trucks are referred to as "Sierra HD".
The Sierra is equipped with five different engines, three transmissions, and rear or all-wheel drive. The base model has a 285-hp V-6 paired with a six-speed automatic. The second is powered by a 355-hp 5.3-liter V-8 engine paired with a six or eight-speed automatic gearbox. The last one has a 420-hp 6.2-liter V-8 engine operating through a 10-speed automatic shifter.
The GMC pickup truck can tow up to 12,200 pounds and support a payload of up to 2240 pounds when well equipped.
GMC Savana known problems
Some of the common problems or complaints owners have about the GMC Savana are: