Fluid · Coolant
Coolant
for 2025 Chevrolet Tahoe 3.0L I6 Duramax · 4WD
Fluid Type
Dexcool 50/50
Spec: GM6277M
Capacity
21qt
19.87 L
Drain & Refill
15 qt
14.19 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
OAT extended life coolant, orange color, higher capacity for diesel
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
0.75 qt
Brake Fluid
0.75 qt
Engine Oil
10 qt
Engine Oil
10 qt
Front Differential
2.8 qt
Power Steering
Power Steering
Rear Differential
2.75 qt
Rear Differential
2.75 qt
Transfer Case
2 qt
Automatic Transmission
13.5 qt
Automatic Transmission
13.5 qt
Washer Fluid
1.25 qt
Washer Fluid
1.25 qt