Air Conditioning and Coolant
Ford Escort
Heating Ventilating and Air Conditioning

What causes the AC in a 1999 Ford Escort to blow warm air?

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Wiki User
2006-06-30 17:50:26

If the compressor is not turning on it could be as simple as low

refrigerant level. If the compressor IS turning on, it might be a

stuck heater core valve.

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