GMC HUMMER EV 2023 Owner's Manual page 366

Vehicle Data
Capacities and Specifications
The following capacities are approximate. See your dealer for any capacity not listed.
Refer to Recommended Fluids and Lubricants 0 361 for more information.
Air Conditioning Refrigerant
Total Cooling System*
Wheel Nut Torque
*The refilling or adding coolant procedures can be complex. See your dealer.
Application Capacities
Metric
For the air conditioning system refrigerant charge type and
amount, see the refrigerant label under the hood. See your
dealer for more information.
See your dealer.
190
Technical Data 365
English
140 lb ft