WHERE IS COOLANT BLEEDER VALVE LOCATED IN A 1995 C220
With the vehicle idling, you'll need to turn the bleeder screw (12mm) on top of the thermostat housing, where the upper expansion hose is connected. Turn the bleeder screw until either a steady flow of coolant flows out, or until the radiator cooling fans turn on. Probably takes 10-15 minutes to ensure system is bleed properly.
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