Fluid · Coolant
Coolant
for 2023 GMC Hummer EV Pickup 2X Dual Motor AWD · AWD
Fluid Type
Dexcool DEX-COOL 50/50 pre-diluted
Spec: GM6277M
Capacity
16qt
15.14 L
Drain & Refill
14 qt
13.24 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Battery thermal management system. First change at 150k miles, then every 150k miles thereafter per GM Ultium platform maintenance schedule.
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