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Your heater fan may not come on all the time due to a few potential reasons. It could be set to a mode that only activates when the thermostat calls for heat, meaning it won't run continuously. Additionally, there could be issues with the thermostat, fan limit switch, or a clogged filter that restricts airflow. Regular maintenance and inspections can help identify and resolve these issues.
What else can I help you with?
Heater fan doesn't work all the time but hit a bump and it might come on what causes this?
Check your electrical connections on the fan motor. They could be loose.
How do you bypass heater fan switch to make heater fan blow all the time?
Run a new ignition switch controlled "hot" wire directly to fan motor
Why does no air come out of the vents?
heater fan broken.
Why does the Heater fan not working at all on rover 400?
you need a new heater fan its burnt out
How do you remove the heater blower fan or squirrel cage from a 1991 Geo Metro?
how can I cheek the heater fan on my 1990 geo metro to see if it is bad or if the switch is bad. I want come on at all when you turn the switch on check fuses and they are good.
Why wont the heater fan come on and the fuses are ok on my 1995 Chevy siverado.?
fan motor could be bad
What is the cause of a heater fan in a 2003 Alero to only make noise when on the defrost setting?
was there something on your dash that fell in the vent, a bad fan will make noise all the time.
What can cause heater not work?
Possibly the Heater Motor, if the fan is not coming on at all the bearing in the motor have probably gone out.
How do you fix a heater that wont blow air in a 94 Nissan Sentra?
first of all i hate to say an obvious answer but does the heater motor even turn. Does it blow air at all. The first thing i would check is if the fan motor is blowing any air at all. If not u need to put in a new heater fan motor. first of all i hate to say an obvious answer but does the heater motor even turn. Does it blow air at all. The first thing i would check is if the fan motor is blowing any air at all. If not u need to put in a new heater fan motor.
What causes cold air to come out of air vents when heater not on?
The heater may not be on - but the fan still blows air through the vents when they're open !
How do you change heater fan motor 94 Chevy 3500?
Remove the wiring harness from the back of your 1994 Chevy heater fan motor. Remove the heater fan motor retaining bolts. Remove the fan from the front of the heater motor. Reverse the process to install the new heater fan motor.
Why does your heater and your ac run at the same time?
The Furnace fan is used to assist the AC in doing its job It is not heating at all just air distribution.
