GMC 2012 Sierra Series Owner's Manual page 530

12-4 Technical Data
Transmission Fluid - Automatic (Pan Removal and Filter Replacement)
4-Speed Transmission 4L60-E Electronic Transmission
6-Speed Transmission 6L80-E
6-Speed Transmission 6L90-E
6-Speed Transmission Allison
Transmission Fluid - Manual (Drain and Refill)
1500 Series
3500 Series
Wheel Nut Torque
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Application
Metric
4.7 L
5.7 L
6.0 L
7.0 L
4.4 L
3.5 L
190
I n f o r ma t i o n P r o v i d e d b y :
Capacities
English
5.0 qt
6.0 qt
6.3 qt
7.4 qt
4.6 qt
3.7 qt
140 ft lb