Fluid · Coolant
Coolant
for 2026 Rivian R1T Quad Motor AWD · AWD
Fluid Type
ethylene glycol-based EV coolant
Spec: Rivian proprietary specification
Capacity
20qt
18.92 L
Drain & Refill
18 qt
17.03 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Dual thermal management system — battery thermal loop and power electronics/motor cooling loop; capacity estimate for combined systems