Freightliner M2 Blower Motor Not Working

I finally got around to working on it a week ago. The blower motor system in the 2011 model does not use resistors to control fan speed as in earlier models. My blower motor for my heating and cooling isn't working, i checked the fuses, plugged in an obd ii reader and no codes were found.
freightliner m2 blower motor not working

2016 Used Freightliner Business Class M2 Blower Motor

Diagram 2007 Freightliner Ac Parts Diagram Full Version Hd

Four Seasons Hvac Blower Motor

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Freightliner m2 blower motor not working. My blower motor just went. The blower would make squeaky noises for past month or so at low speeds. I have power and a good ground at the the motors that control the temperature and blend doors work fine with either control head. If you can access the blower motor connector on the left, your diagnosis is more clear cut.

If you try to adjust the speed, it just cuts off again. Freightliner m2 blower motor issues. I just had the resistor replaced like 2 weeks ago so i think it might be the actual motor. If your blower motor goes.

My a/c, vent fan (blower motor) keeps going in and out. I need some tips on what it could be, fuse, blower motor, or blower motor resistor. Doesn't work on any speed. This is all on the 20m scale.

For more than half a century, it has always been under the tutelage of large monopolies and has remained independent for only about 10 years, which did not prevent it from turning from a. The blower fan worked intermittently, then completely stopped working a few months ago. I dont know where to go from here. I have no voltage at the two wire plug that plugs into my blower motor, and all of my fuses are good, at least the ones i.

The fuse is fine, you can hear the blend door switching when you change modes, and the a/c clutch kicks in when you switch to a/c. The heater blower fan was not working on the way up here, but since the first leg of the journey was at highway speed, i didn't notice. The switch it's self, the blower relay hello sir i have freightliner m2 106 year 2012 , yellow engine light appears on pannel and eng 0 and bh 33 on display pannel, what that means thank you. When it's not working it has no power to the motor at all.

Ac outside fan and compressor still appear to be working the m1 and m2 terminals are not connected to anything on the circuit board. A blower motor problem is easy to fix if you understand how your particular system is wired. The blower motor is mounted inside the furnace part while the a/c unit sits on the thought occurred to me to reverse the wiring on the motor to get it to spin the after looking at the duct work and taking off a few panels i realized how the air flow is supposed to work (actually it didn't really occur to me until i was sitting there in. Its been out for about a week and it came on.

Two days ago the blower motor on my 2014 ed quit. They only serve as a place to park the blower motor wires that are not used. 2 things contribute to the corrosion inside the motor. If you have power and ground at the blower your original post is kind of confusing.

34:59 lets learn something freightliner hvac blower motor. Ecm motors can adjust the air flow depending on what the system is getting for feedback. First thing i checked was the fuse, that's ok. Here is some data that was collected on the working blower motor speed control system.

Freightliner is a phenomenon in the american truck industry. In a situation where the motor doesn't work on any speed, the most likely causes are: Freightliner trucks spare parts catalogs, workshop & service manuals pdf, electrical wiring diagrams, fault codes free download! Freightliner business class m2 driver manual.

I got it out and it is ceramic on the other side. Remember the control module is programed to work with that unit so it must go. Does not do it all the time, but when it goes out, it will come back on after a few moments, but will not run full speed. First of all there are two components to an ecm motor the ecm control modules do fail though so be sure to verify it has gone bad.

It seems many people have issues with their regulators, but they all say it powers down to about 50% fan speed. The blower motor is internment. My company has an '06 m2 that is having some issues. Does your blower not work in any speed or just not certain speeds?

In there you have four devices to check out to pin point the problem: Thanks to this site i learned of the butyl patch problem and the resistor. Second, the lack of a drain hole. On the coldest day of the season my blower motor for ac/heat decided to stop working.

First, the position of the motor is about 90 degrees, not at an angle. Discussion in 'freightliner forum' started by bhaneman, mar 11, 2014. It was working fine two days ago when i last drove. Hi, my blower motor is not working.

I haven't used the truck in two days and now it will not blow anything. Made sure it was nothing. #hvac #blowermotor #blowerfan welcome to the diy semi channel. Also i found a procedure to test the pwm signal which.

Sometimes the blower motor resistor, usually you will have one or two of the fan speeds only seen one that were just quit all together. The driver is telling me, that the blower motor stops working when he applies the brakes. Mine just shuts off completely. In this video i'll show you how to fix a non working blower motor.

The ac was blowing full blast and everything stopped at once. Hey all, my blower motor seems to be choosy about when it will work. I have a 2006 hhr and my blower motor quit working. The blend door, mode door and recirc i have a freightliner m2 vin aj7492 the hvac blower motor runs all the time at a constant speed and will only shut off when you take the blower.

A blown power supply fuse, a bad motor ground connection, bad motor speed control module or a failed motor. Blower motor don't work on any speed.