Freightliner blower motor not working


If you own a Freightliner truck and youre experiencing issues with your blower motor not working, youre not alone. Many truck drivers face this problem at some point in their vehicles lifespan. The blower motor is an essential component of your trucks heating, ventilation, and air conditioning (HVAC) system, and when it fails, it can be quite inconvenient, especially during extreme weather conditions. In this article, we will explore the possible reasons why your Freightliner blower motor may not be working and discuss some troubleshooting steps to help you identify and potentially fix the problem. Reasons for a Freightliner Blower Motor Not Working There could be several reasons why your Freightliner blower motor is not working. Lets take a closer look at some of the most common culprits: 1. Blown Fuse: One of the first things to check when your blower motor stops working is the fuse. A blown fuse can disrupt the electrical flow to the motor, causing it to malfunction. Locate the fuse box in your trucks cabin or under the hood, and check the HVAC fuse. If the fuse is blown, replace it with a new one of the same rating and see if the blower motor starts working again. 2. Faulty Blower Motor Resistor: The blower motor resistor is responsible for controlling the speed of the blower motor. If the resistor fails, the blower motor may not receive the proper signals to operate at different speeds, or it may not work at all. To test the blower motor resistor, disconnect the electrical connector and use a multimeter to check for continuity across the terminals. If there is no continuity, the resistor is likely faulty and needs to be replaced. 3. Defective Blower Motor: Over time, the blower motor can wear out and fail. This is especially true if the motor has been running at high speeds for extended periods. If the blower motor is not receiving power or is making unusual noises, it may need to be replaced. Before replacing the motor, check the electrical connections and ensure that there are no loose or damaged wires. 4. Blower Motor Control Switch: The control switch allows you to adjust the speed of the blower motor. If the switch is faulty, it may not send the proper signals to the motor, resulting in a non-functioning blower. Test the switch using a multimeter to check for continuity across the terminals. If there is no continuity, the switch is likely defective and needs to be replaced. Troubleshooting Steps Now that we have identified some potential causes for a Freightliner blower motor not working, lets discuss some troubleshooting steps that you can take to resolve the issue: 1. Check the Fuse: As mentioned earlier, start by checking the fuse related to the HVAC system. If the fuse is blown, replace it with a new one of the same rating. If the new fuse blows immediately or shortly after replacement, there may be a short circuit or another underlying issue that requires further inspection by a professional technician. 2. Inspect the Wiring: Carefully inspect the wiring connected to the blower motor, resistor, and control switch. Look for any loose, damaged, or frayed wires. If you find any issues, repair or replace the wiring as necessary. 3. Test the Blower Motor Resistor: Disconnect the electrical connector from the blower motor resistor and use a multimeter to check for continuity across the terminals. If there is no continuity, replace the resistor with a new one. 4. Test the Blower Motor: Disconnect the electrical connector from the blower motor and connect it directly to a power source, such as a car battery, using jumper wires. If the blower motor does not start running, it is likely defective and needs to be replaced. 5. Test the Blower Motor Control Switch: Disconnect the electrical connector from the control switch and use a multimeter to check for continuity across the terminals. If there is no continuity, replace the switch with a new one. If you have completed all these troubleshooting steps and your Freightliner blower motor is still not working, it may be time to seek professional help. A qualified technician with experience in Freightliner trucks will have the necessary knowledge and tools to diagnose and repair the problem accurately. In conclusion, a Freightliner blower motor not working can be a frustrating issue, especially when you rely on your trucks HVAC system for comfort during your long-haul journeys. By following the troubleshooting steps outlined in this article, you can potentially identify and resolve the problem on your own. However, if the issue persists, it is best to consult a professional technician to ensure a proper and lasting solution.

Freightliner HVAC blower motor

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. troubleshooting, diagnosis, repair .. #hvac #blowermotor #blowerfanWelcome to the DIY Semi channel.In this video Ill show you how to fix a non working blower motor.If your blower motor goes out,.. Freightliner M2 blower motor issues - TruckersReport. there are 2 problem spots for blower motor problems on an m2.(1)there is a plug that is about 12"away from blower motor.follow connector from motor towards center of dash easy to find.get rid of connector and butt connect wires.if not bad now,will be later.(2)fuse box under hood,lt.blue wire in green fuse box connector is direct power to blower motor.unplug connector and look at terminal,if . freightliner blower motor not working. Got a 2013 Freightliner M2 freightliner blower motor not working. The fan blower motor doesnt… freightliner blower motor not working. Thoroughly inspect your wiring harness and connector pins going to your blower motor for any type of corrosion or damage that would cause the circuit to be an operative. freightliner blower motor not working. Freightliner M2 Problems: 25 Common Faults & Fixes!. Beginners Questions, General Advice, Trucking / By Rob Thomas Last 2020, Daimler Trucks North America (DTNA) recalled 5,604 Freightliner M2 medium-duty trucks, particularly those with Detroit DD5 engines, due to stalling and risk of crashing.. PDF 2016 Freightliner Blower Motor INOP - National Highway Traffic Safety .. The most common reasonfor cab blower fan issues on 122SD is a poor connection at the 30 amp blower fan power fuse. This is anunlabeled "add-on" fuse on the lower portion of the fuse panel

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. In many cases the poor connection will allowenough current through to show 12 volts on a meter, but not enough to allow the blower motor to turn. freightliner blower motor not working. Freightliner century Coronado Columbia fixing my bunk blower motor not .

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. Freightliner m2 08 blower motor issues - TruckersReport. Hey guys! Recently been having issues with the blower motor on our 08 M2

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. When I take the green connection off the fuse block, its charred and burnt up, however cleaning the connection and putting it back seems to get the blower motor working again for a period of time freightliner blower motor not working. It cant be a bad motor as we just replaced it With a new unit.

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. Electrical Systems - Freightliner. Electrical System General Information. The Saf-T-Liner C2 uses an electrical system where multiple electrical signals are carried along a simplified set of wires, reducing the size of wiring bundles. There are significantly fewer wires overall, meaning less chance of damage, shorts, and other problems

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The information in this chapter is to help . freightliner blower motor not working

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Diagnose and replkace a Freightliner blower motor - YouTube. Heres a vid of how to diagnose and replace the blower motor on a newer Freightshaker truck.. Climate Control - Freightliner. The blower motor performs a self-test immediately after the engine is started, which causes the delay. Air Selection The air-selection switch allows you to direct the flow of air through the face outlets, the floor outlets, the defrost (windshield) outlets, or a combination of these outlets.There are a total of 9 possible air-selection modes.

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. Diagnose Repair and Replace Freightliner Cascadia Cab Blower Motor .. SUPPORT CHANNEL WITH PAYPAL DONATION =aypal.me/dirtydieselmechanic.TOOLS FOR JOB =3/8-in Cordless Ratchet Kit=mzn.to/2WWufhOPOWER PROBE T.

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. PDF New Cascadia front blower motor inop - National Highway Traffic Safety .. HELLO PATRICK. HAVE A CUSTOMER WITH SAME COMPLAINT

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Kyle Siebert 3,913 posts since Nov 14, 2014 Re: New Cascadia front blower motor inop Aug 25, 2020 10:03 PM Check out the blower power an ground 3 pin connector

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. Have seen 2 burnt up real bad. freightliner blower motor not working

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Blower Motor died on M2 - iRV2 Forums freightliner blower motor not working. StuartT. Senior Member. Join Date: Oct 2009. Location: Apache Junction, AZ

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. Posts: 232 freightliner blower motor not working. Blower Motor died on M2. I have lost the heat and A/C blower on my 2008 DynaQuest M2 Freightliner. It will not reset by turning the fan switch off and back on (after a cool down period) as the manual states following a motor protection shutdown..