Fluid · Coolant
Coolant
for 2025 Rivian R1S Large Pack Dual Motor AWD · AWD
Fluid Type
50/50 ethylene glycol premix for battery and power electronics thermal management
Spec: Rivian-approved coolant meeting ASTM D3306
Capacity
16qt
15.14 L
Drain & Refill
14 qt
13.24 L
Change Interval
150,000 mi
241,350 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
Battery thermal system and power electronics cooling loop; Large Pack uses extended thermal system capacity