One problem related to air conditioner has been reported for the 2008 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Ford F-150 based on all problems reported for the 2008 F-150.
Any setting above 60 degrees on the air conditioner blows hot air no matter what the temperature is outside, or whether you are set on recirculating, etc.