Mechanical Problems
WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes of insufficient heat due to mechanical problems are as follows:
- Obstructed cowl air intake
- Obstructed heater system outlets
- Inoperative engine thermostat
- Inoperative blower motor system
- Inoperative A/C heater control or module
- Inoperative blend door actuator(s)
- Inoperative, obstructed or improperly installed blend-air door(s)