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passanger side no heat

  1. Service needed before swapping out heater core

    Engine, Power, and Performance
    So I started my journey to getting heat back to the passage side. It blows cold on the passanger side on all modes. Ac works just fine. Temp Knobs work just fine. I tried to back flush the system and didn't see any indication of rust or any Bars leaK. Just green coolant all the way...