Hummer H2 coolant capacity

Total cooling-system coolant capacity for the Hummer H2, by generation and engine, in quarts and liters.

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Which coolant the Hummer H2 takes
YearsCoolantBuy
2002-2010GM DEX-COOL (orange)Shop

Sources: GM 2003 Hummer H2 Owner's Manual, Penray, DEX-COOL frequently asked questions (archived copy). Shop links go to Amazon, and we may earn a commission at no extra cost to you.

Hummer H2 coolant capacity by year
YearsEngine: capacity
20106.0 V8: 17.2 qt (16.3 L)
6.2 V8 Flex-power: 15.4 qt (14.6 L)
20096.2L 8-cyl (L9H) - SUV Model: 16.7 qt (15.8 L)
6.2L 8-cyl (L9H) - SUT Model: 15.4 qt (14.6 L)
20086.2L 8-cyl (L92) - SUT Model: 15.4 qt (14.6 L)
6.2L 8-cyl (L92) - SUV Model: 16.7 qt (15.8 L)
20076.0L 8-cyl (LQ4): 17.2 qt (16.3 L)
6.0L 8-cyl: 17.2 qt (16.3 L)
20066.0L 8-cyl: 17.2 qt (16.3 L)
20056.0L 8-cyl: 13.4 qt (12.7 L)
20046.0L 8-cyl (LQ4): 14.8 qt (14 L)
20036.0L 8-cyl: 14.8 qt (14 L)
20026.0 V8: 17.2 qt (16.3 L)
6.2 V8 Flex-power: 15.4 qt (14.6 L)
Capacity is the full cold-fill for the whole system. Top up to the marked level and use the coolant type specified in your owner's manual. Source.