Manual:HUMMER Hummer H3 Base 2010Page:10003 / 37523



Cooling System: Coolant — 2010 Hummer H3 Base, Automatic Service Manual

Cooling System: Coolant

The engine coolant is a solution made up of a 50-50 mixture of DEX-COOL and suitable drinking water. The coolant solution carries excess heat away from the engine to the radiator, where the heat is dissipated to the atmosphere.