Freightliner cascadia ac blowing hot air

Freightliner Cascadia 2013, HVAC Blower Motor by Four Seasons®. Voltage: 12 V. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right... Molded plastic construction OE style connectors. $114.75 - $216.70.

Oct 9, 2018 · 6. Your Heater Valve Is Stuck. The valves in your heater core open to let warm air into the vehicle. If the valves are closed, the warm air doesn’t make it to the truck’s cabin. Sometimes these valves get stuck on the closed position and this could be a simple fix. 7.There is a blend door issue on your ducting to your heating and air conditioning system. Check all of the blend doors and make sure that they are working. The blend door that is not working properly can have a bad motor or a vacuum line leak. Look for any vacuum lines that may be disconnected and also any blend door motor wires that may be ...I have a 2013 Freightliner Cascadia. I'm getting little to no air flow from the vents. The AC only blows out from the floor no matter where the control is set. The air coming out is cold and comes out less when accelerating. The real issue is no heat. Few nights ago it was chilly so turned it to heat and nothing. Air flows the same way as using ...Freightliner Cascadia Cabin Air Filter; Freightliner Columbia Cabin Air Filter; Freightliner M2 106 Cabin Air Filter; Freightliner MT35 Cabin Air Filter; ... Why Does Your Car Overheat When the AC Is On? Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters;1. Dirty Air Filter. The air filter is an essential part of your AC unit. Therefore, if your AC is blowing warm air, it might be because your air filter is dirty. When dust and other air pollutants are stashed on your unit’s air filter, they reduce the airflow. As a result, the hot air will flow out through the grates and ducts.Choosing the right air conditioning unit is extremely important, especially if you live in an area that gets really hot during the summer months or if it’s hot all year round. The ...

The most common causes for AC blowing hot air in Chevy Colorado are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube ...2014 Freightliner Cascadia AC Compressor. Buy Online. Pick Up In-Store. Price. Set custom price range: to. $350 - $400 (1) $450 - $500 (1) ... Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Does AC Affect Gas Mileage?The most common causes for AC blowing hot air in Toyota Sienna are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Chevy Camaro - (Steve Lagreca / Shutterstock) The most common causes for AC blowing hot air in Chevy Camaro are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay.

I have a 2013 Freightliner Cascadia. I'm getting little to no air flow from the vents. The AC only blows out from the floor no matter where the control is set. The air coming out is cold and comes out less when accelerating. The real issue is no heat. Few nights ago it was chilly so turned it to heat and nothing. Air flows the same way as using ...Y'all know what to do, make sure your truck is in neutral, pop your breaks and turn your truck off. And like I said, make sure that thing don't leak or you w...2011 Freightliner Cascadia 125 Air Conditioner Compressor. Material: Aluminium. VIN #: 1FUJGLBG0BSAW4909. (USED) 2011 Freightliner Cascadia 125-A/C Compressor, Make: Sanden, Model: 4023, Part Number: SKI1802S, Serial Number: 002151206070, For more information about this item, give us a call. We ship Worldwide!2018 Freightliner Cascadia Cabin Air Filter. Buy Online. Pick Up In-Store. Price. Set custom price range: to. $40 - $50 (1) $60 - $70 (1) Add your vehicle for an exact fit. ... Why Does Your Car Overheat When the AC Is On? Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters;Manual de mantenimiento Cascadia. Manual de mantenimiento Cascadia. Prólogo. Introducción. 00 Información general. 09 Admisión de aire. 13 Compresor de aire. 15 Alternadores y arrancadores. 20 Enfriamiento del motor/radiador.

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AC Compressor; Search from over 10 Million Auto Parts. Select Your Vehicle: Choose Year: Choose Make: Choose Model: Search Parts (3 Reviews) ... 2011-2012 Freightliner Cascadia : 125: 14.8L 6 Cyl DD15 Common Rail Turbocharged: Show More. Technical Details. Title. A/C Compressor - 2011-2019 Freightliner Cascadia - UAC 127710-05905140.Air Conditioning Gmc Yukon Denali 2011 System Wiring Diagrams For Cars. 27 Freightliner Trucks Service Manuals Free Truck Manual Wiring Diagrams Fault Codes Pdf. Technical Information And Diagnostic Guide For Freightliner Cascadia Bphs Battery Powered Hvac System. Im Working N A Ac On 2001 Freightliner With Cat Engine Replaced The New ...Oct 13, 2013. 0. You need to replace the cab expansion valve, it's probably all clogged up. You said they replaced the AC compressor. Your compressor was probably fine. Have them drain all the R134a out, and replace the cab expansion valve and also replace the receiver drier.The optional auxiliary PDM is used when additional circuit protection is needed for optional features. For example, if a beacon light is added to the Cascadia, it may require an auxiliary PDM. The auxiliary PDM may contain fuses and relays for these devices. It is mounted in the cab, behind the doghouse cover.

I have a 2009 freightliner Cascadia that the ac compressor won't come on . the compressor and clutch is new and system is full of Freon . there 4 active codes . sid 254 fmi 5 ,spn 522010 fmi 2 , ... Now when I picked it up from shop after hours the A.C. is blowing hot air. Worked perfect when I dropped it off.Hey guys, I have a 2001 freightliner century with a 12.7L Detroit engine. Two days ago my a/c stopped working but I'm really stumped. All of the sudden it went from blowing cold air to blowing HOT air … read moreFor the electronic repair savvy, a common failure is the solder at the clutch control relay cracks. This is located roughly behind the temperature knob on the PCB. The relay contacts have also been reported to go bad. It has been discussed in other threads that an 86 relay or similar can be added externally and wired in.The most common causes for AC blowing hot air in Buick Regal are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube ...2014 Freightliner Cascadia AC Compressor. Buy Online. Pick Up In-Store. Price. Set custom price range: to. $350 - $400 (1) $450 - $500 (1) ... Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Does AC Affect Gas Mileage?The air blows, just not getting cold. Answered in 4 days by: Technician: BrentR718. BrentR718, Technician. Category: Medium and Heavy Trucks. Satisfied Customers: 211. Experience: Expert. Verified. Hello my name is ***** ***** I am going to attempt to help you resolve the problem you are having with your truck.50,000 miles on my 2013 Ridgeline RT. After driving for 2 hours in 90 degree heat 2 months ago, AC suddenly starts blowing air warmer than ambient since just recirulating air after going through hot engine compartment. All dash controls air unchanged and seem to behave as expected. When turn AC on from off, no load on engine.1. AC system performing worse than usual and blowing warm air. One of the first symptoms of a problem with the AC expansion valve or orifice tube is an underperforming AC system. The AC expansion valve and orifice tube work together to regulate the flow of the AC system. If either component fails or has an issue, it can disturb the performance ...Alternate Year Models. 2019 Freightliner Cascadia Cabin Air Filter. Equip cars, trucks & SUVs with 2020 Freightliner Cascadia Cabin Air Filter from AutoZone. Get Yours Today! We have the best products at the right price.Here are a few common reasons why the AC might not be working in a Freightliner Cascadia:Refrigerant leak: If there is a leak in the AC system, the refrigerant levels may be too low for the AC to function properly. You may need to have the system checked for leaks and have the refrigerant levels topped up.Faulty compressor: The compressor is a ...Start the engine. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. Note: If the ports are not labelled, try connecting the recharge kit to both unlabeled ports on the AC hoses.

2014 freightliner cascadia ac compressor not turning on. We already added Freon according to manufacturers spec. There is no power at compressor connection. ... 2015 m2 freightliner ac blowing out hot air when it's hot but cold air when it's night or cold out ...

2012 freightliner cascadia ac not blowing cold enough in both front and sleeper area, changed both expansion valves new condenser new dryer but when in driving mode its cold when parked is the problem ... 2015 m2 freightliner ac blowing out hot air when it's hot.have a 2012 freightliner cascadia. the bunk a/c won't blow cold (but can can blow hot). Front a/c blows cold great. computer is showing following codes: SPN 523318 FMI 7--inactive aux blower motor mec … read more32 posts · Joined 2014. #1 ·Aug 25, 2017. Hello every body. I have problem with my Cadillac Escalade 05 has problem in A/C system in front the air is hot and in rear is cold I remove the blend door and turning inline the line in center on the plastic and then I reinstall it nothing was change I try to re-celebrate it by remove one terminal of ...Have 2017 Frightliner casdi and rear ac only blowing hot air. ... Bunk ac blowing warm air , did hvac reset twice . 2024 cascadia ... 2019 Freightliner cascadia 29K miles just started doing this this morning blower for the bunk works fine but only blows warm air. We went to sleep last night with the front and rear blowing cold.2016 FREIGHTLINER CASCADIA 125 AIR COMPRESSOR. VIN #: 1FUJGEBG7GLGZ8294. USED GOOD USED AIR COMPRESSOR STK,A19J0776. Create Estimate. Part Info. (877)557-8782 Request Info Enterprise LKQ Acme Truck Parts Stockton CA. Your search has 1 match.AMOUNT OF 134A FREON TO CHARGE A 2009 FRTLIN ER CASCADIA. Answered in 48 minutes by: Technician: Wayne. Hi I'm Wayne, I will help you with this, R134 A , the amount for the unit 3.15 lbs, if you have a bunk cooler also add 0.25 lbs of freon. If this helped you please hit Accept....if not get back to me.Your AC system will only blow hot air since the refrigerant fails to cool down. 4 Ways to Fix AC for Semi-Trucks. If your AC stops working because of one of the problems outlined above, one of these four truck AC repair solutions may solve the problem. 1. Check for Lea. Seeing fluid under your vehicle can indicate refrigerant leaks.To reset your Freightliner Cascadia AC, turn the AC off, the second knob to maximum heat, and the final knob to blow air forward. Once that is done, turn your key to the on position. Hold the center buttons of the first and second knob until they blink. At this point, your AC is reset. The process for resetting is relatively simple, but knowing ...2020 cascadia ac has to be reset by turning the truck off and on. Discussion in 'Freightliner Forum' started by Tidyshark, May 29, 2022. May 29, 2022 #1. Tidyshark Bobtail Member. 1 0. May 29, 2022 ... the tiny bit of air coming out is ice cold and I hear the fan blowing as hard as it cab, but no air coming into the truck. Again, shut down and ...

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The Air Force ASVAB, or Armed Services Vocational Aptitude Battery, is a crucial part of the enlistment process for those looking to join the United States Air Force. It is a serie...K&N High Performance Cabin Air Filter VF8001. $6699. Location: Cabin Air Filter. Part # VF8001. SKU # 879317. Checkif this fits your 2016 Freightliner Cascadia. Select store for pickup availability. StandardDelivery by May 18.FreightLiner blowing cold air no heat fix2019 freightliner cascadia tandem axle sleeper sold as is unit starts and runs detroit dd15 475hp engine 12 speed automatic transmission check engine light is on- for vgr actuator eng hours 13,413 front axle 12,000 rear axle 40,000 ac blows hot unit located in waxahachie, txJun 29, 2022 · – Check the AC unit’s fuse. If the fuse is blown, replace it with a new one. – Make sure that the AC unit’s vents are not blocked. Sometimes, items in the cab can block the vents and prevent air from flowing through. – Check the AC unit’s filters. If the filters are dirty, they can prevent air from flowing properly.That is 62.08 ounces. That means you need at least 5.16 cans, plus if you add in th loss for the lines from changing the cans, you need at least 7 cans before the compressor kicks on and 8 for a accurate charge. You definitely don't have enough refrigerant at 3 cans. Let me know if you need anything.I have a 2012 cascadia with dd15 engine..just started overheating on last trip..The fan is not coming on when reaching the hot temperature. I've been troubleshooting problem, I can get the clutch to engage by taking off the lead from the fan clutch solenoid. This tells me the clutch is ok.Freightliner Charge Air Cooler 38.98" x 26.38" x 2.05" NEW aftermarket replacement to fit listed applications Confirm application by referring to the illustration and ch Add to Cart Quick view50,000 miles on my 2013 Ridgeline RT. After driving for 2 hours in 90 degree heat 2 months ago, AC suddenly starts blowing air warmer than ambient since just recirulating air after going through hot engine compartment. All dash controls air unchanged and seem to behave as expected. When turn AC on from off, no load on engine.I have a 2009 freightliner Cascadia that the ac compressor won't come on . the compressor and clutch is new and system is full of Freon . there 4 active codes . sid 254 fmi 5 ,spn 522010 fmi 2 , ... Now when I picked it up from shop after hours the A.C. is blowing hot air. Worked perfect when I dropped it off. ….

Check all of your cab air filters and look for any restrictions that would block airflow through the evaporator core. Also make sure your blower motor is turning for the rear bunk compartment and also for the front. Be sure to check all of your fuses and relays as well. It is a pleasure to help anyway I can.Personal finance weblog The Simple Dollar recently found that, on average, having a ceiling fan running in a room makes it feel around four degrees cooler. Australian government st...2014 Freightliner Cascadia AC Compressor. Buy Online. Pick Up In-Store. Price. Set custom price range: to. $350 - $400 (1) $450 - $500 (1) ... Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Does AC Affect Gas Mileage?GMC Acadia – (Art Konovalov / Shutterstock) The most common causes for AC blowing hot air in GMC Acadia are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay.Alternate Year Models. 2019 Freightliner Cascadia Cabin Air Filter. Equip cars, trucks & SUVs with 2020 Freightliner Cascadia Cabin Air Filter from AutoZone. Get Yours Today! We have the best products at the right price.How does a water-cooled air conditioner work? Advertisement There are several different ways that water is used in air conditioning. The most common use is in cooling towers. A coo...I have the key in auxiliary position to run opti-idle in battery mode only, with both air conditioning controls set to off and I'd like the air to stop blowing (low, but still circulating continuously and unnecessarily, particularly in the bunk on the floor vent that is not sealable).Freightliner Cascadia 113 L6 12.8l Ac Condenser OEM: A2267126001. Freightliner Condenser - Fits: Cascadia. Years: 2010 to 2011. CORE LENGTH: 34 1/2″. CORE WIDTH: 22″. DEPTH: 5/8″. All Truck Parts Line's AC Condensers Are 100% Leak Tested and Manufactured with The Highest Quality Materials to Ensure the Perfect Fit and Easy Installation.2019 Freightliner Cascadia Cabin Air Filter. Buy Online. Pick Up In-Store. Price. Set custom price range: to. $40 - $50 (1) $60 - $70 (1) Add your vehicle for an exact fit. ... Why Does Your Car Overheat When the AC Is On? Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Freightliner cascadia ac blowing hot air, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Equip cars, trucks & SUVs with 2012 Freightliner Cascadia Cabin Air Filter from AutoZone. Get Yours Today! We have the best products at the right price., The Filter Is Clogged. 2. Too Many Vents are Blocked. 3. There's A Thermostat Problem. 4. Your Heater Is Too Big For The House. No matter the cause for short-cycling, you need to get it addressed as soon as possible. A furnace that keeps turning on and off can end up with a cracked heat exchanger., Electrical systems power distribution freightliner bus coach wiring diagrams service manual pdf manuals fault codes cascadia troubleshooting letco enterprises presents 27 trucks free truck 2012 engine harness payless parts ca125dc ca125slp work new 2018 cur installation guide zonar support epa 2010 sam cab radio 2021 assembly pushes innovation with demand detroit i have a 2019 126 and need ..., 2013 Freightliner Cascadia dd13..won't stop blowing hot air out of vents and ac stopped working - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. ... My 2019 Freightliner Cascadia bunk ac fan stopped working., Freightliner Cascadia heater core leaking coolant. Mechanic's Assistant: How long has the coolant been leaking? What color is the leaking fluid? Dark red usually indiates a transmission leak. Just noticed it leaking today from lower bunk heater core on the outside of cab under driver side., 2010 FREIGHTLINER CASCADIA, I AM LOOKING FOR A FULL WIRING DIAGRAM AND TROUBLESHOOTING INFO ON HVAC SYSTEM WITH PARK SMART SYSTEM IN CAB/SLEEPER. Answered in 2 hours by: Technician: Andy. Andy, Truck Diagnostic Technician. Category: Medium and Heavy Trucks. Satisfied Customers: 3,031., 2020 Freightliner Cascadia Daycab has AC that blows hot air when set to cold. What should I inspect in this scenario? This is my first introduction to ac repairing. comments. …, Most vehicles have an overpressure switch that can turn off the compressor if the pressure gets too high. At idle the pressure is lower, but when driving the pressure increases. If the compressor is shutting off, it could be a faulty pressure switch or too much refrigerant in the system or a plugged condensor. Changing the switch is easy., Freightliner CASCADIA Air Spring - New | P/N AB1DF239780. NEW - Air Spring Rolling Lobe. Location: Item:AMN AB1DF23-9780. $109.48. 1. 2. Search our large inventory of New/Used Freightliner Air Springs for sale. Enjoy our hassle-free online checkout or call to speak to an expert., 2,371. 2,043. Feb 1, 2013. Chicago, IL. 0. there is no relay usually from my knowledge this is controlled by sam cab and also your hvac controler, usually thats the problem when a/c is fully charged and all sensors working properly if you have dagnostic link you can check a/c request and what is happening in the a/c system as far as sensors and ..., Bunk ac blowing warm air , did hvac reset twice . 2024 cascadia ... My 2019 Freightliner Cascadia bunk ac fan stopped working. ... (but can can blow hot). Front a/c blows cold great. computer is showing following codes: SPN 523318 FMI 7--inactive aux blower motor mec ..., Hello, First off truck is a 2013 Freightliner CASCADIA with a sleeper. I cannot figure out why I wont get cold air from the truck. Compressor was installed about 6 months ago with a new dryer., I have a '12 Cascadia. My AC is blowing warm air, sometimes every once in a while, it will blow cold by only for a little bit. Today I checked the AC compressor by applying direct power and ground and the AC started blowing cold air. I checked the connector and I'm getting 12v power, but only 2v or 3v of ground. So to me there is a …, The company truck I use is a 2002 Freightliner and the front ac works fine but the cab air will blow only hot air regardless of the settings and was wondering if any of yall have any ideas of what it could be. I know with a car it's usually the blend door stuck on heat but not sure if the system works the same on this truck or not., Im driving a 2014 freightliner box truck. While i was driving the ac started blowing hot air. As i am sitting here in idle. I heard the motor kick on but the air is still warm, Equip cars, trucks & SUVs with 2016 Freightliner M2 106 Cabin Air Filter from AutoZone. Get Yours Today! We have the best products at the right price., RE: Cascadia cab blower motor. (02-25-2020 )bwake Wrote: Check the blower motor relay in the dash and make sure that it's functioning properly. Pins 85 and 86 will be the coil side which is going to be controlled by the switch. Pin 30 will have constant power and 87 will be the switched power going to the motor., Freightliner Coronado 132 122sd Manual Part 31. Heavy Duty Air Conditioning Service Manual. Freightliner Cascadia Air Conditioner Hoses For. Freightliner Air Conditioning Irv2 Forums. Untitled. 2005 Freightliner Xc Chassis Parts Diagram. Freightliner Sterling Ac Compressor Abp N83 304qp7h154314s. Freightliner Century Class Trucks Work Manual Pdf, Published: Jul 10, 2018. A new battery powered HVAC system is now available as a factory-installed option for new Freightliner Cascadia truck models. This system provides up to 10 hours of cooling or 34 hours of heating to the cab when parked. Available on all new Cascadia sleeper sizes and bunk styles, the battery powered HVAC system reduces ..., No help there, just blowing out maybe 60° air. Oddly the voltage was down a tad, 13.8-13.9 v. Once parked, I did the "knob reset" routine and now once again you could hang fresh meat in here. Voltage is back up too. Possibly involved: a new alternator, 2 new batteries, and a Freon recharge not 5 days ago., Hook your gauge back up. Crank the truck and set the rpm’s up to 1200rpm. Turn the fan on manual. Watch the gauge to see how low it drops. Also see if the ac is still cooling under these circumstances. Ask Your Own Medium and Heavy Trucks Question. Ok give me sec. I’m sitting here now and it’s blowing cold air., air backwards, you probably aren't going to get much of any cold air into the bunk, it simply has nowhere to go. As a driver and an owner, I have to tell you that idling that truck AND running the ParkSmart is one of the dumbest things I can think of, either shut the PS down and idle, or shut the truck off and use the PS., Freightliner Cascadia '20 bunk heater not heating Discussion in ' ... Then you go in sleeper and turn the temperature all the way to hot and turn the sleeper fan on high and see if blow hot air out. Look at the engine temperature on the dash. ... New cascadia ac keeps going warm truckerbangin posted Apr 30, 2024. Best Turbo for 12.7?, Then you go in sleeper and turn the temperature all the way to hot and turn the sleeper fan on high and see if blow hot air out. Look at the engine temperature on the dash. If it stays at 160F you should have heat in sleeper. If it won't hold at 160F the heater probably is not firing up., For the electronic repair savvy, a common failure is the solder at the clutch control relay cracks. This is located roughly behind the temperature knob on the PCB. The relay contacts have also been reported to go bad. It has been discussed in other threads that an 86 relay or similar can be added externally and wired in., 2006 Freightliner Columbia - dash blower motor not working Discussion in 'Freightliner Forum' started by ds1989, Nov 16, 2014. Page 1 of 2 1 2 Next > ... New cascadia ac keeps going warm truckerbangin posted Apr 30, 2024. Best Turbo for 12.7? Elroythekid posted Apr 29, 2024. EAP10 aux switch, How to replace air recirculation filter on Freightliner Cascadia 2016, Freightliner Cascadia Cabin Air Filter; Freightliner Columbia Cabin Air Filter; Freightliner M2 106 Cabin Air Filter; Freightliner MT35 Cabin Air Filter; ... Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Does AC Affect Gas Mileage?, The front air conditioner is blowing cold air but blowing hot air in the sleeper. 2016 Cascadia DD15. My whole system - Answered by a verified Technician, Y'all know what to do, make sure your truck is in neutral, pop your breaks and turn your truck off. And like I said, make sure that thing don't leak or you w..., Technician: TomcM28. So if you have no air coming out of anywhere then you most likely have a clogged evaporator or heater core. They typically clog with dust. As moisture builds on the evaporator core, dust from the atmosphere will collect on the surface and plug up airflow. If you have airflow from the floor vents and or the defrost then you ..., 5,348. 2,597. Feb 14, 2010. Jacksonville, FL. 0. Well, when I first got my truck the A/C would blow pretty dang cold at idle during the day. Now, only 3 months later, it blows warm/barely cool air at idle and when I'm driving down the road It still only blows cool air, nothing nearly as cold as it used too. I'm wondering if the coolant needs to ...