DODGE RAM FORUM banner

flex fan

  1. Cooling Fan & Heater Core Question

    Heating & Cooling
    Hey everyone... Couple quick questions for you... 1) Has anyone ever heard of their heater core "burping"? When I start my truck, and hit the gas, for the 1st few seconds, it sounds as if the water is "rushing" or "burping" through the heater core, then stops. It gets warm like it always has...
Top