Fluid · Coolant
Coolant
for 2008 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · RWD
Fluid Type
Dex-Cool 50/50
Spec: GM 6277M
Capacity
28qt
26.49 L
Drain & Refill
23 qt
21.76 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Extended life orange coolant. Larger capacity due to diesel engine cooling requirements.
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
1.5 qt
Brake Fluid
1.5 qt
Engine Oil
10 qt
Engine Oil
10 qt
Front Differential
3.8 qt
Power Steering
1.5 qt
Power Steering
1.5 qt
Rear Differential
4.2 qt
Rear Differential
4.2 qt
Transfer Case
2 qt
Automatic Transmission
13.5 qt
Automatic Transmission
13.5 qt
Washer Fluid
4 qt
Washer Fluid
4 qt