Fluid · Automatic Transmission
Automatic Transmission
for 2023 GMC Hummer EV Pickup Electric Tri-Motor · AWD
Fluid Type
GM Ultium Drive Unit synthetic lubricant
Spec: GM proprietary specification
Capacity
2.7qt
2.55 L
Drain & Refill
2.7 qt
2.55 L
Notes
Sealed units, no scheduled service. Three drive units (two front, one rear) each contain approximately 0.9 quarts. Service only if contamination or failure occurs.