Ford Thunderbird air conditioner fluctuates between hot and cool with driver's side vent remaining cool on Ford Thunderbird

Some Ford Thunderbird owners report experiencing fluctuations between hot and cool air in their air conditioning system, particularly with the driver's side vent remaining cool. This issue may be linked to a malfunctioning dual heater control valve, as evidenced by differing voltage readings between the driver's and passenger's sides. Additionally, insufficient refrigerant levels in the AC system, possibly due to a leak or lack of recharge, can lead to hot air being blown. Some owners have found that cycling the temperature control can help free a stuck actuator door, which might also contribute to the inconsistent airflow. Furthermore, a faulty Climate Control Module could be responsible for the temperature fluctuations, necessitating repair or replacement. It is recommended that owners seek professional assistance for accurate diagnostics and resolution of these issues.