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Your heater in your 1993 eldorado was blowing cold air and you changed the thermostat and it still is blowing cold air Any idea on what it may be wrong?
Wiki User
∙ 16y ago
hi, could be many answers. Check the water contol valve operation ( under hood connected to heater hoses), do you have a full load of coolant?, also air mix door under dash, is the temp of the coolant hot?.Check them all out, you'll find it
Wiki User
∙ 16y ago
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