Why Does My Heater Fan Only Work On High. Check you local parts store stock on line to see if they have one, or call around. Web actually, based on my old focus where it blew twice, it was a stiff fan motor and once that had been attended to (dismantled and oiled bearings and fixed the water leak that was allowing water into the bottom fan bearing) it did not blow again.
Web if your heater only blows when the setting is on high, this may suggest that you have a faulty blower motor resistor. Furthermore, it can cause an inconsistent or intermittent fan speed, leaving you without proper airflow. The various airflow settings may also fail to work or you may not get any air from the vents.
Web My Heater / Ac Only Works On High.
Check you local parts store stock on line to see if they have one, or call around. Even with heat switched off, the fan should run if i switch it on. Web symptoms of a bad blower motor resistor.
According To The Professional, It Seems To Be Caused By The Defective Heat Sensor/Thermostat On The Furnace Unit.
You can get this blower motor resistor on amazon here:. All you need to do is to replace the resistor (ford part number: Web if your heater only blows when the setting is on high, this may suggest that you have a faulty blower motor resistor.
Web If Your Heater Only Blows When The Setting Is On High, This May Suggest That You Have A Faulty Blower Motor Resistor.
And the other is that the fan motor itself has failed. Web does your blower motor/fan only run on high speed.or not at all? When the blower motor resistor goes bad, the motor can get stuck at one speed.
Why Does My Ac Only Work On High?
Using fine file set, i removed the haze and used a pick to bend the tab back into shape. Check the vehicle repair guides at www.autozone.com for directions. When the mechanical thermometer is switched to auto, i could hear the click sound from the unit, however the fan does not start blowing the hot air at all.
There Should Be A Connector With Several Wires Very Near The Blower Motor.
This happens very often to ford pickup truck or suv. You may need to go to the dealer for the resistor pack. The highest speed setting may still work because in most cars in the highest fan speed settings the current bypasses the blower motor resistor.