How do you remove a motor from a blower fan?
While holding the blower motor in place remove the last screw. After all of the screws have been undone grasp the motor and remove it from the housing. This can take some maneuvering so hang in there and be careful not to damage the fan blade (squirrel cage) against the heater plenum.
How does a lower speed blower fan work?
Blower Fan Works on High Only. When the motor is switched onto the lower speeds the electrical power is routed through a series of resistors or a solid state assembly that drops the voltage down to 6 volts, 8 volts and then 10 volts (low, medium low, medium) which in turn makes the blower motor turn slower.
How to test an automotive blower fan motor?
Blower Fan Works on High Only 1 Locate the Resistor The location of this resistor is usually near the blower motor itself which cools the unit when it’s in operation. 2 Test the Resistor Use a grounded test light and locate the outgoing wire from the resistor to the blower motor (usually orange or red). 3 Replace the Resistor
Where is the blower motor under the hood?
If you cannot find the blower motor under the hood it will be located under the dash on the passenger side. You may need to remove the mounting screws of the lower panel to gain access to the motor for removal. This heater motor location is under the dash. Let’s start the removal which is the same for under hood or dash applications.
How do you change a blower motor on a car?
Change the cabin air filter at this time if it is due for replacement, since you have easy access to the filter. Going headfirst into the footwell with a flashlight, look up until you locate the blower motor. Locate the three to six bolts keeping it in place, and remove with sockets and ratchet.
How does an air conditioner blower motor work?
As explained in the HVAC Blower Motor Guide, an air conditioner blower motor and assembly is basically the fan inside the air conditioning system that forces the cooled air, via the AC cooling coil, through the vents and into the room space that is being conditioned.
Where do I find the blower motor part number?
If you still have the owners manual, this part number can sometimes be included in the manual for convenience. Other options include removing the air conditioner blower motor from the AC unit and checking the label on the actual blower motor. Write this part number down for easy reference.
How do you replace a Murray blower wheel?
If a transfer of the blower wheel is needed, inspect it carefully for any damage. If you find any damage, you should replace it now. Most Murray blower motors come with the plastic blower wheel included (as shown in the picture). Reinstall the motor into the climate control unit. Once it’s secure, reconnect the wires.