Heating and AC duct doors shut down, fan motor working hard, no air movement

Asked by Jan 21, 2016 at 04:21 PM about the 1999 Dodge Durango 4 Dr SLT 4WD SUV

Question type: Maintenance & Repair

Heating and air conditioning starts out working just fine then after driving for an hour the air stops flowing on all settings. You can hear the fan working hard but the vent doors just all shut down, no air flow into the vehicle on any setting. If you pasrk for over 30 minutes the system is working again.

2 Answers

13,520

It is possible that it is your blend door actuators, but I would also suspect the switch itself. it may not be selecting the setting you want.

1 people found this helpful.

blend door actuators, could be it, just so weird how it's working fine then the doors just totally close up so no air passes no matter where the switch is moved to. After about 30 minutes of being turned off and parked it works fine again.

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