Freightliner Columbia Ac Compressor Not Working

The light on the AC button has started to flash and the system is not blowing cold air. Freightliner Trucks for Sale. Had the system charged last week (didnt need much) and that fixed it for a while but. The vehicle should be recovered, vacuumed and charged prior to testing. R134a Air Conditioner Conversion and recharing instructions R134a = $7-$10 a can – takes 2 - 2 ½ cans. The Freightliner AC Compressor is the heart of your vehicle's air-conditioning system, and one of the most important Freightliner AC parts. Heat pumps are not a very efficient method of heating. Air conditioner compressor is a significant part of any AC unit, which is placed outdoor and does the pumping of refrigerant through the system. Once I take her out on the highway it begins to blow warm air and will not blow cold again untill I shut the truck off and let it sit for awhile. When you push the power switch power gose to the module but no p. 00 out of 5 based on 1 customer rating. How to reset A. 6 volts only and no difference on ac switch on-off) when i supply external power to output relay pin ,everything works fine. -Faulty relay emergency valve. Easily find what you need from 1,635,925 parts available. It's a classic sign of the air conditioner compressor fan going out. Step 1: If the air temperature does not cool when the AC system has engaged there is a good chance that there was an AC compressor failure. the compressor to spin and suck the cool. Detroit™ Connect Virtual Technician. Many owners are having problems with melted electrical connectors that stop the flow of power to the blower motor. The Cylinder Head. If you’re here, chances are you’ve tried to recharge your AC system and found a compressor clutch not engaging issue. 06 Troubleshooting Symptom Driven Diagnosis 350/2 Columbia Workshop Manual, Supplement 21, June 2010. I found the factory climate control head on. 1998 C-1500 AC Problem. It's a classic sign of the air conditioner compressor fan going out. hi friends i have freight-liner columbia 2007 (detroit )day cab in my shop , its air conditioning is not working ,in my diagnose i found on ac relay, a/c clutch request pin is not getting power(2. the compressor blows the freon out I don't know what I am doing wrong, I seem to think that the pulley is not lined right but the pulley was sold to me by the dealer, please help. Drive Belt: A drive belt makes your truck's air conditioning compressor turn, which keeps the cooling refrigerant circulating through the system. The following information is included to make your changeover easier than ever. Not getting power to ac compressor from ac control module 13 Answers. 70 lb with compressor off. Web Hosting powered by Network Solutions® powered by. won't stay engaged be to have a 94GC w/ 4. - Turbo Diesel Register is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. how to fix air condition with 40 low pressure and 100 high pressure? Does the ac compressor turn on at all? on a 03-2012 Freightliner M2 112? 1 Answer. Freightliner – T/CCI, York Style Compressors Click the Year or Part # to see details. The Freightliner AC Compressor is the heart of your vehicle's air-conditioning system, and one of the most important Freightliner AC parts. The best thing is you DONT need to have a separate air tank. I have a 2006 GMC Envoy XL Denali that the AC compressor clutch will not engage. Check the belt periodically to make sure it's in good shape. Freightliner Columbia 2007,ac compressor clutch Won't engage , getting a constant 12 volt feed to The clutch but never a ground. Pretty strange and of course every time I take it to the dealer it blows perfectly cold. If so, use the sight glass if so equipped to see if freon is running through it. AC Compressor Pressure Readings and their Implications. Noticed my AC wasn't blowing cold (this was the first time I had it on this season), so I pulled over and saw that the clutch is not engaging. Low Refrigerant Level:  If the refrigerant is low in your air conditioner, your AC unit will not be able to properly cool your home. Your air conditioner has a set of indoor coils that absorb heat from your home’s air, as well as a set of outdoor coils that transfer heat from your home to the outdoors. There are so many ways you can both damage the system and get hurt. Choose from 380 listings to find the best priced Freightliner Heater / AC Climate Control Parts by owners & dealers near you. 70 Gear Ratio, Silent Drive Steerable Cheater Axle, Air Up And Down, Pressure Gauge, 2) 80 Gallon Fuel. 7 Common Reasons Why Your Air Conditioner Is Not Cooling Properly. The best thing is you DONT need to have a separate air tank. There are also no leaks from the information that I have gathered. Check back for more updates. The expansion valve, if it is the culprit, will be between the hot and the cold. Here are a few ways to diagnose a car AC compressor failure. A harsh squealing sound can indicate a seized AC compressor. Here you can search our archives for automotive air conditioning advice and tips or start a new conversation! Feel free to join in! It’s free and you might just find the answer you were looking for. If its cold out the compressor will run for a little bit, but if its warm out the compressor will not even kick on. If you're reading this you probably already know at least a little something about diesel brake air compressors. School Bus Air Conditioning Parts. any idea what may be causing this inconsistency to happen?. 03 Freightliner Wiring Diagram - Welcome, thank you for visiting this simple website, we are trying to improve this website, the website is in the development stage, support from you in any form really helps us, we really appreciate that. The AC compressor is one of the most important, if not the most important, components of a vehicle’s air conditioning system. Lastly, when blowing cool, inspect the clutch and engine fan. An evaporator is used on freightliner trucks as a heat exchange medium to move the heat generated by the system away from the air conditioning unit. Freightliner Trucks for Sale. We help you find the heavy duty truck parts that you need. Also I was parked in a garage, not running down the road, air flow through the condenser wasn't exactly real-world. I replaced mine on my own, but only because I had the extra. If for any reason you are unable to find the document you require, please feel free to contact us for personalized assistance. wheelchair accessible freightliner handicap handicap accessible review rate class a, freightliner business class m2 4x4 for sale, red light on back of freightliner, 1999 freightliner classic xl day cab, harbor freight electric screwdriver, freightliner m2accessory manual. If your staff do not understand the gauges they do not understand air conditioning. -Hoses between tractor and trailer not connected. We offer new aftermarket Freightliner truck parts, at discount prices. This is because. Air conditioner compressor is a significant part of any AC unit, which is placed outdoor and does the pumping of refrigerant through the system. compressor being forced back into the engine air induction system when the compressor is operating in the "unloaded" condition (not building air). Freightliner Truck Air Compressor A/C Compressor 5264 T/CCI York Style Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name. Contact Us 888. He was on the spot in 90 minutes, and had the problem resolved satisfactorily in. Step 1: If the air temperature does not cool when the AC system has engaged there is a good chance that there was an AC compressor failure. Heat pumps do not work in cold temperatures. It's a classic sign of the air conditioner compressor fan going out. Custom chasis on Itasca Horizon motorhome. I have a 2010 Freightliner Columbia with a DD15 298000 miles. I drive the car or let it idle for 1/2 hour twice a week. 03 Freightliner Wiring Diagram - Welcome, thank you for visiting this simple website, we are trying to improve this website, the website is in the development stage, support from you in any form really helps us, we really appreciate that. Do not open up the condenser’s cabinet and try to evaluate and fix problems on your own; you will most likely make the problem worse. System is full charged but no power going to compressor. A/C compressor cycles. 7 Common Reasons Why Your Air Conditioner Is Not Cooling Properly. Freightliner – Blower Resistors Business Class, Cascadia, Century Class, Columbia, Coronado, FL Series and Sprinter Delivery Vans Choose your Vehicle All Models Classic, XL, Coronado, FLD Series Sprinter (Delivery Vans) WFC / WFT Series Click the Year or Part # to see details. Save on Dorman - Help Air Conditioning Bypass Pulley 34217 at Advance Auto Parts. 0L of 1985 Dodge Caravan Air Conditioning Compressor. There is a small amount of pressure in the system already but its just not accepting new gas. My compressor went out, had it replaced, worked for a few days, then it started blowing hot air again, then started working again last week. Automotive Air Conditioning Systems! Auto A/C Replacement Parts, Service, A/C Compressor, Condenser, Evaporator, Drier along with other A/C Parts. Heater and Air Conditioner, Blend Air System, 83. You can avoid this problem by having a regular check on the working of the Freightliner A/C Accumulator/Drier. 00 Cab Heater and Air Conditioner, Valeo Troubleshooting 300/4 Business Class M2 Workshop Manual, Supplement 13, March 2008. COMPRESSORS – T/CCI, York Style 2003 2001 All T/CCI HD Slim-line w/flange fitting – no clutch. How to reset A. Re: Freightliner wiring diagram ac compressor: richard lynch: 6-20-11 : AC compressor clutch not engaging. Buy AC Compressor w/A/C Repair Kit For Dodge Ram w/Gas Engine 1994 1995 1996 It's fully charged to spec and working for a week, but not as well as the OEM which. com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page. Get Yours Today! We have the best products at the right price. Shorted out low and high pressure switches and still does not engage. Instead, call Shavitz Heating & Air Conditioning for skilled air conditioning repair in Chicago, IL today. used ac/heater climate control modules for freightliner century class $120. Search Results for Air Conditioner Compressor on HeavyTruckParts. won't stay engaged be to have a 94GC w/ 4. Need a wiring diagram. This truck is a working truck. Many owners are having problems with melted electrical connectors that stop the flow of power to the blower motor. Step 1: If the air temperature does not cool when the AC system has engaged there is a good chance that there was an AC compressor failure. 5030 Log In/Register 0. Log In/Register. While I was trying to figure what to do next I noticed the air leak when it sent the signal. Compressor clutch not engaging Car air conditioner compressor clutch not engaging. used ac/heater climate control modules for freightliner century class $120. Can not find a fuse for the clutch. Raney's Info Toll Free: 1-888-888-7990 Local: 352-789-6701 Store Location 3030 W Silver Springs Blvd, Ocala, FL 34475 (Exit 352 off I-75) Visit Our Store Hours of Operation. Basically, air conditioning systems operate on the principles of evaporation and condensation. This compressor will fit the following vehicles Compressor Type. Search Fixya. The compressor hissing or shrieking is a serious situation: it means the pressure inside the compressor is too high. After cleaning out the basement storage bay where the leaking air line was thought to be, and chocking the tires to prevent the coach from moving, the real work could begin. How to diagnose high head pressures at the air conditioning or heat pump compressor: What are the causes of high head pressure at an air conditioner or heat pump compressor motor? This article lists twelve causes of high head pressure and explains their causes, effects, and diagnosis. As I said, AC appears to be working very well. any idea what may be causing this inconsistency to happen?. Pulling from the breadth of our bus and truck expertise, the S2RV is the latest in a long line of RV-specific innovations in. If so, try the troubleshooting techniques described here. Many owners are having problems with melted electrical connectors that stop the flow of power to the blower motor. 03 freightliner wiring diagram. When you push the power switch power gose to the module but no p. I drive the car or let it idle for 1/2 hour twice a week. Thank You. Dash fan runs. Rheem air conditioning units are used in both residential and commercial buildings. Any advice? It's been to the local Freightliner shop for 3 days no good. and Canada and Travel Centers of America and Petro locations nationwide. Just click a link! Compressors Condenser Parts A/C Controls Evaporator Blowers Evaporator. Buy online, pick up in-store in 30 minutes. -No air pressure in air brake system. If an A/C system is operating and the amount (charge) of refrigerant within the system is not known, some simple checks can be performed to determine if the operating charge is adequate: Compressor clutch engaged, and compressor operating. the compressor to spin and suck the cool. A restricted metering device — thermostatic expansion valve or TXV — can cause a number of symptoms in a system. 0L of 1985 Dodge Caravan Air Conditioning Compressor. If not, shut the engine down. Does anyone of you ford or AC gurus know what the cause of this may be?. He was on the spot in 90 minutes, and had the problem resolved satisfactorily in. any idea what may be causing this inconsistency to happen?. 2002 FREIGHTLINER ST120 Motor: Detroit 12. AC system low and high side pressures and oil capacity question With my impending AC work coming up, I bought a manifold set from HF. Air Conditioning & Heating Relaceent Parts 1 Call: 800. Shop Freightliner Heater / AC Climate Control Parts For Sale. Starting at the compressor, touch the pipe and follow the cold. Search our large inventory of Used Freightliner COLUMBIA 120 Brake Control Modules (ABS) for sale online. I tried a new a/c control head and a new blower motor but it still wont work. If you're reading this you probably already know at least a little something about diesel brake air compressors. At least when the furnace broke last winter, you got cold for free. When moisture sticks around on your truck's air conditioner evaporator, it can lead a moldy, musty smell. Just as the compressor. Search Results for Air Conditioner Compressor on HeavyTruckParts. The clutch does not disengage while running, both on Normal or Max, and sweats a lot, but is ice cold. See Group 20, check fan cycling switch. Web Hosting powered by Network Solutions® powered by. This is probably something stupid that i don't know because I've never done it before, but I'm lost, and I'd love to try to fix it myself if I can. I have a 2005 freightliner columbia with a/c not working compressor not working has ground problem I need wiring - Cars & Trucks question. I have A/C problems in my 2006 Freightliner Columbia truck. Since our professional truck driving career began, the Freightliner Cascadia is the classiest truck either of us has ever driven or lived in. When the AC stops working, is the fan still running?. The A/C in your Toyota 4Runner cools the passenger cabin using compressed refrigerant. Not getting power to ac compressor from ac control module 13 Answers. I have a 1997 Saturn SC2. The expansion valve, if it is the culprit, will be between the hot and the cold. Support Documents. An evaporator is used on freightliner trucks as a heat exchange medium to move the heat generated by the system away from the air conditioning unit. -Tractor protection valve not functioning properly or not in normal position (see operating instruc-tions). Get the best deals on Air Conditioning & Heater Parts for 2005 Freightliner Columbia when you shop New A/C Compressor for Freightliner Columbia -- JP4540CCO See. ultimately got toyota techstream. Need a wiring diagram. Maybe it's your window ac compressor not turning off or maybe your condenser coils are dirty. When you are going down the road, the wind helps cool the compressor, but if idling, the compressor fan does the job. I just had the AC compressor replaced bout 2 weeks ago. If you are experiencing difficulty with your Rheem unit and the unit is still under warranty, you should contact Rheem before trying to fix the unit yourself so as to not violate the terms of your warranty. If you hear hissing, or worse, shrieking, coming from your compressor, turn off your air conditioner immediately and call a technician; do not restart your air conditioner until it has been looked at by a professional. won't stay engaged be to have a 94GC w/ 4. Search Fixya. Home / Freightliner / Freightliner Cascadia Electrical Wiring Diagram Manual PDF Freightliner Cascadia Electrical Wiring Diagram Manual PDF Rated 5. Service Tips WIT Club News – June 2005 AUTOMOTIVE HEATING & AIR CONDITIONING For years Winnebago Industries has utilized Specific Climate Systems/Frigette as our primary automotive heat and air conditioning system. An easy to use guide for selecting the best remanufactured compressor for your application, a Genuine Bendix Remanufactured Compressor. Easily find what you need from 1,635,864 parts available. Air pressure in secondary air tank will not build up on my 2002 freightliner columbia troubleshooting. * Will not unload – a compressor that won’t stop pumping is problematic too. When on level highway the compressor should cycle very infrequently unless there is a leak in the system somewhere. " The compressor is driven by an accessory belt. Freightliner Trucks for Sale. AC system performing worse than usual and blowing warm air. Do you ever notice they never actually repair it. " The compressor is driven by an accessory belt. It show that it is a light green wire coming from the HVAC control module, section "B-12" on my schematic. Air dryer,governor replaced. condition of the AC system components. There is a small amount of pressure in the system already but its just not accepting new gas. Freightliner Cascadia DD13 DD15 DD16 engine oil change explained OM 471 472 473. The primary function of the Freightliner AC Compressor is to maintain the flow of the refrigerant in the air-conditioning system. 1998 C-1500 AC Problem. Diagrams: System Pressure Chart Get a quick look at what an average A/C system looks like, along with the compressor manufacturer and what the specific R-134a requirements are for your car. Instead, call Shavitz Heating & Air Conditioning for skilled air conditioning repair in Chicago, IL today. This is a full explanation of how the system works. Dash fan runs. Need Freightliner Dash Control Module Parts? Check out 157 Freightliner Dash Control Module Parts for sale. Not a 100% sure, but my guess is that when the air dryer pops it sends a burst of air back to the governor to stop the air compressor from pumping air. Pulling from the breadth of our bus and truck expertise, the S2RV is the latest in a long line of RV-specific innovations in. Also I was parked in a garage, not running down the road, air flow through the condenser wasn't exactly real-world. Some of the possible causes of failure in the system are listed in the air conditioner troubleshooting guide below. How to reset A. Freightliner, 2009 2003, All models, Evaporator Temperature Sensor 2 Pin, OEM# BOA91619 Freightliner, 2009 2005, All models, OEM# BOA91619 Freightliner, 2010 2004, All models, Temperature Probe Switch, OEM# BOA91619 TAC# 11-0649 Temperature Probe Sensor FREIGHTLINER BOA91619 2 pin All Our Parts are Brand New and covered by the Original Equipment Manufacturer's Warranty INTERCHANGE: 1347. 5030 Log In/Register 0. It show that it is a light green wire coming from the HVAC control module, section "B-12" on my schematic. 00 out of 5 based on 1 customer rating. I replaced mine on my own, but only because I had the extra. What you really need to know is that the compressor is built of two main sections: The Engine Block. On a gas powered air compressor, it’s easy to see if the unloader isn’t working, as either the motor will not idle down when the tank is full, or will not rev up when the tank is empty. Everything worked fine a week ago. Shorted out low and high pressure switches and still does not engage. At least when the furnace broke last winter, you got cold for free. Thank You. If it isn't working, you will get hot air when sitting still. Get Yours Today! We have the best products at the right price. Home / Freightliner / Freightliner Cascadia Electrical Wiring Diagram Manual PDF Freightliner Cascadia Electrical Wiring Diagram Manual PDF Rated 5. 685 Inch Clutch * 12 Volt With 2 Pin Plug * Sold Individually * Warranty On A-C Compressors Against Defects In Workmanship and Material From Date Of Purchase ** Please Verify OE Numbers, Dimensions, Hose Fitting Sizes, Styles And Locations Before Purchasing AC Compressors, There May Be More Than One. Heater and Air Conditioner, Blend Air System, 83. Basically, air conditioning systems operate on the principles of evaporation and condensation. Re: Freightliner wiring diagram ac compressor by richard lynch: AC compressor clutch not engaging. Page 6 of Freightliner Heater / AC Climate Control Parts listings. This is a full explanation of how the system works. The A/C in your Toyota 4Runner cools the passenger cabin using compressed refrigerant. com Payments: Mastercard, Visa, Discover, Paypal, Money orders, Checks. Check the belt periodically to make sure it's in good shape. The average cost for a Mercedes-Benz E320 AC compressor replacement is between $519 and $939. Search Fixya. After cleaning out the basement storage bay where the leaking air line was thought to be, and chocking the tires to prevent the coach from moving, the real work could begin. You really shouldn't be messing with this. If your AC won't turn off, you might not notice the irony of the situation right away. Easily find what you need from 1,635,864 parts available. Did a lot of research and trials. I mounted this compressor under my rear seat. Eric Santana. On a gas powered air compressor, it’s easy to see if the unloader isn’t working, as either the motor will not idle down when the tank is full, or will not rev up when the tank is empty. Heat pumps also work on a temperature differential and their basic inefficiency makes it even tighter than when cooling. When you are going down the road, the wind helps cool the compressor, but if idling, the compressor fan does the job. ultimately got toyota techstream. I have a 2010 Freightliner Columbia with a DD15 298000 miles. The vehicle should be recovered, vacuumed and charged prior to testing. 00 : 7029 used ac/heat climate control for freightliner cascadia $120. Instead, call Shavitz Heating & Air Conditioning for skilled air conditioning repair in Chicago, IL today. AC Compressor Pressure Readings and their Implications. I'd like to give you more explicit directions but they put those things in different places, some of them very hard to get to. This compressor will fit the following vehicles Compressor Type. OEM, aftermarket, and More at Buy Auto Parts $265. Dash fan runs. This is a small compact air compressor, BUT, it puts out a lot of CFM's and does it quickly. Without the compressor, the entire AC system simply won’t work. My ac builds up pressure to about 100 psi on the low side, which causes the compressor to kick off. ) Ownership, maintenance and mechanical issues forum for all Freightliner models, including Cascadia, Century, 2001 FLD 120 AC compressor question. There is a small amount of pressure in the system already but its just not accepting new gas. com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page. There are a few reasons your AC system might stop working and the central part of it is the AC Compressor. -No air pressure in air brake system. Now engine will not start (it does turn over, but does not fire) appears to be no power to fuel pump. my 2005 GMC sierra always used to blow ice cold, now it blows only slightly cool when driving and a little cooler when idle/not moving. -Hoses between tractor and trailer not connected. The vehicle should be recovered, vacuumed and charged prior to testing. Of course, the air con has to be running for this to work. AC system low and high side pressures and oil capacity question With my impending AC work coming up, I bought a manifold set from HF. Does anyone of you ford or AC gurus know what the cause of this may be?. R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas). I found the factory climate control head on. Web Hosting powered by Network Solutions® powered by. at the back of the compressor is really a not function however fan speed switch did work. Looking for school bus air conditioning parts? We don't provide the A/C Assembly, but we can help with the parts! The following list can help you find the parts you need to get the air conditioner running properly again. com FREE DELIVERY possible on eligible purchases. Freightliner Fld120 Wiring Diagrams >>>CLICK HERE<<< 2002 Fl60 Freightliner Fuse Panel Wiring Diagram. The A/C in your Toyota 4Runner cools the passenger cabin using compressed refrigerant. reoccurring musty smell that can develop in air conditioning and from the compressor and cools it to a warm liquid state. Visit CARiD for a variety of replacement A/C sensors, relays and switches. The best thing is you DONT need to have a separate air tank. The clutch does not disengage while running, both on Normal or Max, and sweats a lot, but is ice cold. -Tractor protection valve not functioning properly or not in normal position (see operating instruc-tions). If for any reason you are unable to find the document you require, please feel free to contact us for personalized assistance. So we won't bore you with the simple stuff. The hole system on that truck is connected, the there is only one compressor but 2 sets of about everything else. I have a 1997 freightliner the ac compressor has been replaced twice this month, we replaced it ourself, I have done a vacume, replaced all the old parts, etc. Heater and Air Conditioner, Blend Air System, 83. The primary function of the Freightliner AC Compressor is to maintain the flow of the refrigerant in the air-conditioning system. AC Compressor Pressure Readings and their Implications. Lastly, when blowing cool, inspect the clutch and engine fan. The vehicle should be recovered, vacuumed and charged prior to testing. Search Results for Air Conditioner Compressor on HeavyTruckParts. Dirty cooling coils. All air has a certain level of humidity which means that there is always water vapor in the atmosphere no matter if you're in a dry or damp climate. Freightliner Truck Air Compressor A/C Compressor 5264 T/CCI York Style Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name. The best thing is you DONT need to have a separate air tank. Only selling due to downgraded license due to medical. Air is heated as it's compressed. Well now it blows extremely cold and will blow cold constintly as long as I dont take it out on the highway. Of course, the air con has to be running for this to work. I am worried about damaging my compressor. (I'm not sure what's an exceptable duty cycle there. used ac/heater climate control modules for freightliner century class $120. at the back of the compressor is really a not function however fan speed switch did work. If your AC won't turn off, you might not notice the irony of the situation right away. Contact Us 888. Brake Air Compressor Troubleshooting - Simplified The Basics. R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas). It's a classic sign of the air conditioner compressor fan going out. The vehicle should be recovered, vacuumed and charged prior to testing. Check for system leakage, inadequate compressor size for vehicle application, air-dryer purge valve stuck open, or a defective unloader mechanism and/or governor. I have a 1997 Saturn SC2. Some of the possible causes of failure in the system are listed in the air conditioner troubleshooting guide below. -Faulty relay emergency valve. Not getting power to ac compressor from ac control module 13 Answers. If for any reason you are unable to find the document you require, please feel free to contact us for personalized assistance. i have not had a chance to get pressure readings yet. Tires 90% (1 will have to be replaced in couple months) Couple months ago changed starter, generator,belts. I know a low charge of freon will stop engagement. Starting at the compressor, touch the pipe and follow the cold. Service Tips WIT Club News – June 2005 AUTOMOTIVE HEATING & AIR CONDITIONING For years Winnebago Industries has utilized Specific Climate Systems/Frigette as our primary automotive heat and air conditioning system. If not, feel the hoses on the dryer. ) Ownership, maintenance and mechanical issues forum for all Freightliner models, including Cascadia, Century, 2001 FLD 120 AC compressor question. This is because. When the belt is worn, stretched or cracked it can slip or break, stopping the compressor and shutting down the A/C. We offer new aftermarket Freightliner truck parts, at discount prices. A restricted metering device — thermostatic expansion valve or TXV — can cause a number of symptoms in a system. But, when it isn't all that cold out and you have shore power available, it can be a source of free heat. If the piping is not hot or could I think that the back system is not working at all. any idea what may be causing this inconsistency to happen?.