• Welcome to H4O! For a reduced ad experience, please login or register with the forum.

Search results

  1. J

    Hummer H3 Cooling System Air Removal

    Recently replaced the water pump, engine coolant sensor, secondary air valve, and thermostat and housing. Needless to say, the system was completely evacuated and therefore a ton of air in it. I know have coolant behind the engine side of the thermostat, coolant filled on the radiator side of...
Top