for 2023 GMC Hummer EV Pickup Electric Tri-Motor · AWD
Fluid Type
Dexcool DEX-COOL 50/50 pre-diluted
Spec: GM6277M
Capacity
17qt
16.08 L
Drain & Refill
15 qt
14.19 L
Change Interval
150,000 mi
241,350 km
Notes
Battery thermal management system. Slightly higher capacity due to tri-motor configuration. First change at 150k miles, then every 150k miles thereafter.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
The 2023 GMC Hummer EV Pickup repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.