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Replacing fan motor and squirrel cage and now fan runs all the time even on auto setting

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Check your wiring and also look inside the air handler for a switch that puts the fan in run.

Posted on May 05, 2010

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2 Answers

Rattling noise from under glove box when fan for A/C or heat is turned on is it the blower motor or the fan?


Your blower motor and squirrel cage (fan).

more then likely it is your plastic squirrel cage fan under the dash.
they are made of plastic and over time the lock nut or screw comes a bit loose and the plastic collet on the fan wears out allowing a lot of play between the motor drive shaft and the fan .


Or you may have had something fall through your defrost vents on the dash and down into the squirrel cage housing

Apr 29, 2014 | 2009 Mitsubishi Outlander

1 Answer

Amana heat pump emergency heat comes on but blower will not start. The call for heat comes in and the heating element(s) glow red for a few seconds and then there is a "click" and the heating...


Check the blower motor capicator. It should be mounted close to the motor with 2 wires to it (brown,brown/white).
Turn the blower on the thermostat and spin the squirrel cage by hand and see if it runs after by itself. If it does then definitely the capicator is bad .If it still doesn't run then check to see if there is voltage going to motor.
If thermostat is calling for fan and there is voltage present at the motor terminal then the motor is bad

Jun 01, 2017 | Heating & Cooling

2 Answers

Why does my ac freeze up


Hello, air conditioners will freeze either due to low airflow.....such as dirty filter, dirty evaporator coil, weak or not running blower motor. Also, a low refrigerant charge can cause the unit to freeze up.

Jul 09, 2012 | Danby Heating & Cooling

1 Answer

Ac squirrel cage fan motor noise


Could be bearings going out, or a squirrel cage rubbing the blower housing, a squirrel cage blade that came loose, or a capacitor.

Jun 12, 2012 | Bryant Heating & Cooling

2 Answers

Hi, my 1998 dodge durango front AC/Heater blower motor run on and off, after the fan shuts down and stops running if I reah under the dash and hit the plastic fan housing it will start-up running but it...


If you can hit on the blower motor housing and the motor starts, your brushes on the motor are bad and the blower motor needs to be replaced. Used tested unit $30.00 at a junkyard. New rebuild $54.00.

Many posts have stated that the dash must be removed to replace the blower motor. It can be done without removing the dash. I know as I replaced the blower motor on my kids 99 Durango last night but it took about 4 hours. Now that I know how to do it, it would estimate 2 hours.

Remove glove box by opening glove box all the way. Press inward on the both sides of the glove box to allow the rubber stops to clear the catches and lower the box The two outer hinges (plastic) will come off by slightly twisting the glove box upward leaving only the center hinge (plastic) in place. Reach in and push down on the hinge to pull out glove box. Set aside.

Remove side trim panel by pulling back carpet and remove one Phillips screw. Remove panel by pulling back on upper portion to remove clip from frame, then slide forward to remove from lower plastic trim.

Use 1/4" nut driver or socket to remove two screws holding vacuum canister on lower right side of blower shroud. Remove two vacuum hoses noting which hose goes to which side of the vacuum canister (both were green in color on my Durango). Disconnect connecting rod from vacuum canister to vent control by removing lock washer (you may be able to get away with not removing the rod, but the plastic "fin" may break if you stress it while removing the blower shroud.

Use 5/16 nut drivers/sockets with extensions to remove the blower shroud hex bolts. The hex bolts are located in several areas around the shroud (use your finger to follow shroud edges to locate all 8). Some of the hex bolts are very tricky and may require odd positioning of your body to locate and remove them.. I also put several extensions to use in order to reach the various hex bolts. Once the hex bolts are removed, pull the plastic blower shroud down exposing the blower motor squirrel cage.

Remove two of three hex nuts holding blower motor in place. Loosen the third one and the blower motor should come free. I was not able to remove the squirrel cage from the old motor so I broke the squirrel cage allowing me to expose the wire harness and grommet that went through the back of the shroud.

Feeding the wire harness back through the assembled wall appeared to be a real challenge, so I cut the green and black wires at the motor for splicing into the new motor later. Remove the motor and broken squirrel cage and throw the dam thing away.

Remove squirrel cage from new motor by removing retention clip with a pliers. Pull off the squirrel cage carefully by applying WD40 (or other lubricant) to the shaft. You may have to place two large screw drivers or other pry bars underneath the squirrel cage equally across the underside of the squirrel cage slowly prying up the cage. I accomplished this with a helper to hold the motor in place to allow equal pressure from both pry bars.

Cut green and black wires on new motor leaving enough wire to work in the tight area of the motor housing. Strip wires from old harness and new motor and apply **** splices for green to green and black to black. Add electrical tape for extra mechanical strength and insulation.

Place new motor into housing and secure the three mounting hex nuts. Turn on key and run blower to make sure it works. Install squirrel cage and retaining clip on motor shaft. Run again to make sure it works.

Install the balance of the items in the reverse order you removed them.

Good luck!

Now on to replace the rear wiper motor on the same Durango. Junkyard parts $54.00. Time: Unknown?

Jul 31, 2011 | 1999 Dodge Durango

1 Answer

How do you get the squirrel cage off the motor shaft. I bought a replacement motor but it looks like I have to destroy the press fit retaining washer and or the plastic squirrel cage to get the assembly...


I have done this before and it is hard. (big time)One time I just got annoyed and bent the washer and got a replacement one at the hardware store. Sometimes the nut will come off if you pull it gently while "unscrewing" it Try a little WD40 on the shaft to help the squirrel cage off. also prying up gently helps. Good luck.

Jun 10, 2011 | Broan-NuTone QT100L Fan

2 Answers

How do I clean a Hawaiian Breeze tower fan?


Unplug fan. Lay the fan face down. Remove the four screws holding the stand to the base. Slide the stand all the way off the cord. Look at bottom of fan and find the small half circle indent just to left of center. There is a screw there, remove it. Go to the hand grip at the top of the back and pry out the two white rubber plugs to reveal two more screws, remove them. Back cover can now slide downward. May take a little squeezing at the center of the grille where internal clip is. Remove two screws at top of squirrel cage. Turn squirrel cage and loosen screw at bottom collar on motor shaft. Tilt the top of the squirrel cage outward slightly and slide upward to remove the squirrel cage. You can slip upper metal bracket off and set aside. Motor is held in by two screws, remove them and flip motor out of the way. There are two screws below where motor sat that hold in base of front grille, remove. Front grille has a series of clips along edges, carefully pry them inward from bottom to top and push grille gently outwards. You can now clean the rear grille, front grille and squirrel cage in warm soapy water and allow to dry. While they are drying, use a vacuum and dust rags to clean interior. When parts are dry, reinstall front grille and reinstall 2 screws. Reinstall motor with two screws. Turn motor shaft so flat notch is pointing up. Recommend to spray a tiny bit of WD-40 or a tiny dab of moly grease on shaft at top of squirrel cage, then replace upper bearing bracket on top shaft. Slide collar end of squirrel cage onto motor shaft and align screw with shaft flat and tighten. Reinstall two screws at bracket at top of squirrel cage. Align back cover just a bit toward bottom, then slide upward and clips will snap into place. Reinstall two screws in hand hold area, then reinstall screw at bottom of cover at half circle notch. You'll need either a magnetic tip screwdriver or a pair of long needle-nosed pliers to get screw in hole before tightening. Feed cord back through base and reinstall 4 screws. It took me about half an hour to do this whole process on each of my two Hawaiian Breeze fans, but they now look brand new and run very quiet.

Aug 05, 2010 | Tower Aloha Breeze Fan

1 Answer

Running not blowing air


sounds as if fan isnt attached to motor shaft. There is a set screw on the fan cage that if it loosens the shaft will turn inside of the fan not turning the fan( also known as a squirrel cage) You need to get access to the fan motor and see first if its shaft is rotating, if it is see if the squirrel cage is turning if not the set screw located on the inner collar of the squirrel cage needs to be tightened. Thie set screw is more than likly an allen set screw.

Jul 07, 2009 | Heating & Cooling

1 Answer

Defective squirrel cage fan


Upon searching further, I found parts for the unit. www.appliancefactoryparts.com
Part CRCFD5303-010 Fan - $19.99
Part CRCFD3000-030 Motor - $49.99

Aug 03, 2008 | Maytag M7DH45B2A Dehumidifier

1 Answer

Mod ASU24C1


If the blower is made of plastic it does not have a set screw. You most likely need a new squirrel cage. They are formed to the shaft and have a compression ring that holds them in place.

May 28, 2008 | Fujitsu 24C1 Air Conditioner

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