Question about 2005 Toyota Corolla

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Replace blower fan motor

How do you take the motor out has computer on the bottom blocking it

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  • Toyota Master
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- Disconnect battery negative (-) terminal.
- Remove two bolts of ECM.
- Remove ECM connectors and take it out or put it aside.
- Remove 3 blower screws and take the motor out. It is a bit fatigue.
replace blower fan motor - ebaca7ef-3919-435e-a9f5-9fbbc4dcde93.png

Posted on May 08, 2014

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The heater blower dont work


If it doesn't work on any speed check the fuses, if it only works on full or a few speeds the resistor block mounted in the cold air chamber has failed and will need to be replaced. If the fuse is ok but the fan still doesn't work at all check the plug is fully pushed in at the switch, the resistor block and the fan motor. It could be a burnt out fan motor but check the other stuff first.
Hope this helps

Terry

Nov 25, 2012 | 2000 Hyundai Elantra

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I have only high speed on my ac/heat switch. have replace acdelco blower motor resistor 2 times already. works for a while and quits. whatelse do I need to check etc?.


If you have replaced the blower motor resistor block twice all ready, i would be replacing the blower motor itself. When the blower motor is drawing too much current it burns out resistors for lower fan speeds in resistor block, but doesnt blow fuse for fan. Also check for leaves and stuff in fan when removing fan.

Jul 18, 2011 | 2006 Isuzu i-280

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Motor cooling fan doesn't work


Recall and Technical Service Bulletin

The body style that ran from about '99-'03 had a issue with rain water getting into the blower case and ruining the blower resister assembly and the blower motor. There is a modified cowl cover that is supposed correct this condition. One tell tale sign that you have this problem is pull the blower resister assembly out and examine it. If it has corrosion or rust on the terminals, you have this problem. Replace the resister assembly, blower motor, and cowl cover.


There is a detailed posting on this problem in the "Related Links" below

If the blower is completely dead and is not providing any air movement, the cause could be in the resistor block for the fan motor, the fuse, or the fan motor.

Check the fuse first. Refer to the owners manual for the fuse. (see "Related Questions" below)

If you have one or more blower speeds, the problem is the resistor block.

The Ford Taurus blower has a resistor block that controls the various speeds of the blower motor. It is located on the passenger compartment side of the blower housing and can be replaced in five minutes. Unfortunately, I could only find the part at the Ford dealership who ripped me off for $20. You can find the part online for around $10.

If you do not have any speeds, you should verify the fan motor works by pulling it and connecting it to a 12 volt DC power source.

To pull the fan motor, you will have to remove the glove box to gain access to the 3 or 4 screws that hold the fan in place, although I did it without removing the glove box. The motor is attached to a large mounting plate that is at the bottom of the air plenum located behind the glove box. If you look up from the passenger floor you will see the motor hanging down. It is about the size of a soup can and is attached to a larger mounting plate. Once the connector is disconnected and the screws are out, you will have to turn the mounting plate to allow the motor to drop. Pay attention to the position as you pull it down as it needs to go back in the same twisting fashion.

I used a spare auto battery to test the motor, but you could use the one in the car, but just be careful to not short things out. Also, really brace the motor prior to connecting to battery as it has a lot of torque and could twist out of your hand.

If the motor is good and really spins up, then the problem is the resistor block is completely dead. (Replace it the resistor block.)

If the fan does not spin, you can get a replacement from any junk yard as they are the same part from the late 90's to the end of the Taurus. The parts guy at the yard can determine compatibility. Make sure he tests the fan before you buy it. Should cost about $10 - $15.
I repaired my fan by working it out of the housing, and freeing it up with WD-40. i then greased it up and it is fine, but I would recommend just getting a junk yard replacement. (much more time efficient!)

NOTE: a brand new motor is only $45 or so. With warranty.


Keep us ypdated.

Jan 25, 2011 | 2002 Ford Taurus

1 Answer

2005 Jeep Liberty Heater fan motor speed control , no low speed only med & high speeds..is there a fuse for low speed?


Sounds like low speed coil in the Blower Fan resistor block has failed. The Blower Fan Resistor Block is usually located in the air ducting adjacent to the Blower Fan. The Resistor Block consists of 3 or 4 coils of special resistance wire attached to terminals which connect to the wiring that comes from the fan switch and then to the Blower Fan. The block is on the output side of the fan unit so that the airflow from the fan past the coils inside the duct assists in preventing them from overheating and burning out.
Access to the Resistor Block is from under the dash. To replace, remove the multi-pin connector and then undo the screws holding in the block. Check air duct for leaves and dirt which may have caused the coils to fail. .Replacement is the reverse procedure

Nov 27, 2010 | 2005 Jeep Liberty

1 Answer

2001 dodge caravan Ac comes on but will not blow ay any speed . I replaced blower motor resistor.


try tapping the bottom of the blower motor with the blower motor speed selector turned to high and the key on. If the blower motor starts working replace it.

Another thing you can try is unplugging the blower motor and supplying your own power and ground wires to the blower motor. It doesn't matter what pin on the blower motor you supply power or ground. It will work either way. If it doesn't than replace the blower motor. If it does you might have a bad control head.

You could also have a bad blower motor relay or blower motor fuse located in the underhood fuse block. There should be power at the dark blue wire at the blower motor with the key on and the fan speed set to any position.

here's a how to article I did on blower motor operation.

blower motor does not work

Nov 17, 2010 | 2001 Dodge Caravan

1 Answer

My blower fan dosen't work even after checking all fuses and relays pluse I replaced the motor. It still dosen't work


It sounds like the fan control switch is faulty or that the connector on the rear of the switch is not making proper contact. It may also be the blower resistor but when any of the the resistors fail, you usually can still get high speed to operate. T o access the switch you will have to remove part of the dash front panel so that you can get to the rear of the switch to check the connector and remove / replace switch which is usually a snap in setup..
You could also check the resistor block for proper connection. The Blower Fan Resistor Block is usually located in the air ducting adjacent to the Blower Fan. The Resistor Block consists of 3 or 4 coils of special resistance wire attached to terminals which connect to the wiring that comes from the fan switch and then to the Blower Fan. The block is on the output side of the fan unit so that the airflow from the fan past the coils inside the duct assists in preventing them from overheating and burning out.
As you already have replaced the fan motor you will know where to look for the resistor block. To replace, remove the multi-pin connector and then undo the screws holding in the block. Check air duct for leaves and dirt which may have caused the coils to fail. Replacement is the reverse procedure

Nov 07, 2010 | 1995 Isuzu Pickup

1 Answer

2005 Jeep Grand Cherokee. Htr/AC fan switch only functions @ highest speed. At lower speed settings I can hear doors opening and closing---but not air.


replace the blower motor resistor. It controls the fan speeds. It defaults to high speed only when it fails.

How to replace the blower motor resistor block: Caution: Stay clear of the blower motor and resistor block (Hot). Do not operate the blower motor with the resistor block removed. 1. Disconnect and isolate the battery negative cable.
2. Remove the glove box from the instrument panel.
3. Pull out the lock on the blower motor resistor wire harness connector to unlock the connector latch.
4. Depress the latch on the blower motor resistor wire harness connector and disconnect the connector from the resistor.
5. Remove the two screws that secure the blower motor resistor block to the HVAC housing.
6. Remove the resistor block from the HVAC housing. Installation:
1. Position the blower motor resistor block into the HVAC housing.
2. Install the two screws that secure the resistor block to the HVAC housing. Tighten the screws to 2.2 Nm (20 in. lbs.)
3. Connect the wire harness connector to the resistor block.
4. Push in the lock on the blower motor resistor wire harness connecgtor to lock the connector latch.
5. Install the glove box.
6. Reconnect the battery negative cable.
7. Have a nice day!

Oct 11, 2010 | Jeep Cherokee Cars & Trucks

1 Answer

A/C fans not working after an a/c charge


charging AC has nothing to do with ur fan. if its a cabin blower u r talking about then open up the blower compartment and see if something is blocking the blower by functioning. if nothing is blocking the blower then it would be blower motor to be replaced.

Jun 21, 2010 | 2003 Mitsubishi Galant

1 Answer

The heater blower in my 2002 sentra is only woking when on the highest setting...do you know what the problem could be?


The blower resistors have gone bad and needs to be replaced.

The 2002 Nissan Sentra blower motor resistor is located near the blower motor itself, which can be found under the dashboard, on the passenger side of the car.

To access it, you have to remove the glove compartment and the isolation panel that covers the bottom of the blower. Do the following steps:

  1. first, locate and open the glove compartment on the passenger side;
  2. remove the four upper screws and slide the door lock bracket out;
  3. pull out the two pins at the inner bottom corners of the compartment;
  4. take out the glove compartment assembly;
  5. remove the two screws retaining the isolation panel and slide the later out.
Looking under the dashboard, you can now see the blower motor and, on its left side, near the firewall, the resistor block brown connector.

To take out the blower motor resistor:
  1. remove the white plastic bracket that faces it;
  2. unplug the brown connector;
  3. remove the two screws on the resistor's socket;
  4. pull the resistor block out.
The resistor block is actually a PCB ("Printed Circuit Board"). The traces printed on this board have different electrical resistance, and are used by the control assembly to vary the speed of the blower fan.

I believe Auto Zone or Parts Source has the blower resistor you need. Good luck

Nov 03, 2009 | 2002 Nissan Sentra

7 Answers

Heater Control Switch Only Works on High


Your problem is probably a part called the heater resistor block or board. When this part burns out you will only have high speed on the fan. On my 1999 voyager it is located on the firewall and it snaps in a hole in the firewall. This is under the hood behind the alternator.
Mine had a multi pin black plug plugged into it. Unplug the plug and
you should be able to pull the block out insert new block and plug plug back in and it should come to life.

Jun 05, 2008 | 2001 Chrysler Voyager

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