2008 Hummer H2 coolant capacity
The 2008 Hummer H2 holds about 15.4 to 17.2 quarts of coolant, depending on the engine - the full cooling-system capacity when cold.
Key takeaways
- The 2008 Hummer H2 holds about 15.4 to 17.2 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Refill to the marked level, and use the coolant type your owner's manual specifies.
| Engine | Capacity | Liters |
|---|---|---|
| 6.0 V8 | 17.2 qt | 16.3 L |
| 6.2 V8 Flex-power | 15.4 qt | 14.6 L |
When refilling, add coolant to the marked level rather than forcing in the full figure. Source.