Scottyd73 Posted August 18, 2014 Share Posted August 18, 2014 I have a 97 legacy outback. I just did an much need engine flush on her. ( radiator , engine block , heater coil ) no more orange rust crap in her. So here is my question. So now when I turn the heat off it sounds like a just landed a jet plane. Temp level is normal heat is good. But I don't remember it sounds so loud before. So, who knows why this is??? Link to comment Share on other sites More sharing options...
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