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Ford issued a notice, SSM 47299, regarding the 2018 Expedition and its air conditioning system. The message addresses a problem that won't display diagnostic trouble codes but will prevent the AC from cooling properly. This issue affects vehicles made between January 2, 2018, and February 6, 2019, including the Lincoln Navigator. It advises against using an AC machine or pressure gauge due to containing contaminated refrigerant. Any AC repairs on these vehicles should not be attempted, and owners should seek guidance from a dealership for handling AC-related concerns.
If your 2018 Ford Expedition is not blowing cold air when you turn on the air conditioning, it might be due to a coolant leak, a malfunctioning compressor, or a faulty condenser and fan.