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Kenworth fan clutch problems?
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Kenworth fan clutch problems?
The Horton Fan Clutch should be routinely inspected at 200,000km intervals. We first started having trouble with the a/c not cooling properly, after spending around $800 at TA to. Customer: 1996 Kenworth W900 Fan clutch Problem the high pressure switch for my ac is not making the fan clutch come on and the Temp coolant sensor when it gets to 210 or even till 220 fan clutch also does not comes on, this truck has a override switch inside for the fan clutch and it works but the weird thing is that when the ac high pressure switch cuts out the fan clutch should come on and. I don't know how the computer got set for a 1 second run of the fan but they changed the amount of time the fan stays on when it comes on and that cleared up the problem. It plays a crucial role in transferring power from the engine to the transmission, allowing yo. kpeterson, Aug 25, 2013. An air conditioner clutch that repeatedly engages and disengages is usually an indicator that the vehicle’s system is low on refrigerant. Its fan pilot diameter measures 5 inches and fan blade stud length measures 1 Jul 25, 2010 · One of our trucks is an '05 Pete 387 with a C15. I was wondering if anybody had any ideas. Jan 29, 2009 · I've got 2000 T800 with a C12 Also has a Horton fan clutch. The fan clutch won't shut off. One of our trucks is an '05 Pete 387 with a C15. BTW I have this numbers for the fan clutch HAYDEN 2835 the high pressure switch triggers the fan. And when you turn off the motor the fan should spin a little more after that, doesnt it? Mine always has the same RPM as the motor, COLD or HOT and doesnt spin anything after I turn off the motor. In my case its a "shutter" valve, a thermostatically controlled air valve that controls the pressure to the fan clutch. The reverse clutch in the transmission may have become dislodged Clutch slipping and clutch drag are two problems that can occur as clutches wear out. In effect, you hear the cooling fan running all the time. The failure of the ignition coil is also c. I believe the fan is put together right & blowing in the right direction. I also missed your last sentance of the first paragraph about replaceing the clutch allready. 1999 KW T600- Engine Fan Won't turn ON - Can't Find the Fan relay- where is it located ?? Kenworth T600 - 1999 N14 the fan clutch doesn't turn off Customer: 2015 Kenworth t680 with air assist hydraulic clutch. One of our trucks is an '05 Pete 387 with a C15. Hshappy2, May 24, 2017 #8. Excessive, abrupt torque can wear out the clutch fan along with vital car components like belts, tensioners, and cooling fans. 09 inches with a belt configuration of 12PK and a 6. Most fan solenoids are controlled by ECM ground. The fan clutch from oreillys checked out good with no codes but was bad. i have replaced the high pressure sensor, the fan solenoid and Andy International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter The Kenworth T2000 is a powerful truck that comes with a range of issues that can be difficult to identify and resolve. Source One Parts Center selection of genuine OEM Kenworth® Truck Parts | Engine Cooling Fan | Fan Clutch Solenoid Valve parts for Trucks, Buses, and more 1-800-466-1571 Sign In Track My Order Cart Brands Here, you’ll learn about the issues that can plague your Kenworth and, most importantly, what you can do to solve them! Section 1: Common Issues Overview Engine Problems. It engages and disengages the fan as necessary, improving fuel efficiency and reducing engine load. If you’re a fan of Radley bags, then you know that their outlet sales are one of the best times to get your hands on some amazing deals. Answered by Jeremy in 6 days 6 years ago ASE Med/HD Truck Technician. Some common problems with a Samsung refrigerator include the fan motor freezing, water pooling in the bottom of the refrigerator and foreign particles in the icemaker Common issues with used UD trucks include wheel-end problems, coolant leaks and blockages and fan transmission issues. And when you turn off the motor the fan should spin a little more after that, doesnt it? Mine always has the same RPM as the motor, COLD or HOT and doesnt spin anything after I turn off the motor. They are inline with the ECM that turns on a transistor to complete the circuit to ground. Think it's the Solenoid valve, or is there a preesure switch. With a reputation for durability, reliability, and excellent performance, Kenworth. Clutch pedal feel issues can be caused by problems with the clutch linkage, such as air in the hydraulic clutch system, fluid leaks, or worn clutch master or slave cylinders. In my case its a "shutter" valve, a thermostatically controlled air valve that controls the pressure to the fan clutch. a good place to star tho, if the system is the same, the blocks on the T 800 have both hoses in them. This diagram ensures that the air clutch fan on a Kenworth T800 operates safely and effectively. Sep 19, 2023 · Common Kenworth truck air conditioner problems include weak cooling due to low refrigerant or dirty coils, no cooling from electrical issues or leaks, strange noises from loose parts or damaged components, foul odors from mold or clogs, inconsistent airflow due to blockages or blower motor problems, leaks in hoses or connections, electrical problems from damaged wires, and AC compressor clutch. Dealer had the pressure switch in stock but I can't find it anywhere on the engine to replace it The ECM controls the low side (ground) of the engine fan relay to cycle the fan as needed. The fan clutch from oreillys checked out good with no codes but was bad. The air conditioner won. No biggy now knowing that. An internal component in the. 010023833 HUB-FAN CLUTCH is an OEM part from Kenworth®, Manufacturer Part Number: 010023833, OEM Part Number: 010023833-382P, VMRS Code: 042-003-001. 👀Look at this: Kenworth Fan Clutch Problems I have a kenworth t660 that the fan runs all the time. Nor will other high temp indications. The compressor might be failing or experiencing issues with its clutch. A decrease in performance is another symptom of a bad or failing fan clutch. Then comes back on in 1 minute. That way your fan will (in theory) always fail to running all the time. There are several ways that the clutch in your car can go wrong, but once you understand the parts, and how they interact, finding and fixing the problem should be easy. #fanclutch #solenoid #kenworthtoday we replaced a fan clutch solenoid in my friends kenworth t660 with a cummins isx. It fixed the problem for day. Designed to prevent having to replace pulley bearings and fan clutches in the future, this kit features superior air barrier and advanced friction material technology that ensures optimal performance, as well as auto lock. i have replaced the high pressure sensor, the fan solenoid and Andy International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter The Kenworth T2000 is a powerful truck that comes with a range of issues that can be difficult to identify and resolve. i have replaced the high pressure sensor, the fan solenoid and Andy International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter Introduction. I suspect it's something electrical. I've been having trouble with a the fan clutch on a 01 KW t300. The clutch can burn out over time in a manual transmission car if the driver makes a habit of riding the clutch, using the clutch to keep the car in one place on hills or using the. About: The hub-fan clutch is essential for the cooling system of heavy-duty vehicles, ensuring optimal engine temperature. My fan was staying on all the time as well. May 15, 2023 · This guide provides an overview of the common Kenworth fan clutch problems and some tips and techniques to help you identify and fix the issue. Feel for smooth rotation of bearings by removing & plugging the airlines at the fan clutch input, rotating the pump pulley, and loosening the fan belts. Some signs of transmission problems are the transmission refusing to go into gear, the smell of burning transmission fluid and noises coming from the transmission when the car is i. the guage and the guage is reading 10 degrees to high. Its not that expensive but on my truck an sob to get to. Diagram For 1994 Kenworth T800 Air Clutch Fan is an important component in the engine of any commercial vehicle. Reinstalled but no joy. I manually can move the fan when the motor is off, with some resistence. They are opposite problems that can occur with any clutch on any type of vehicle and require s. The fan always turns when running [like at idle] when the pcm begins to see higher temps than it likes it engages the fan electrically by heating the viscos fluid in the clutch which makes it swell tightening the clutch. Aug 18, 2016 · I've been having trouble with a the fan clutch on a 01 KW t300. Nov 18, 2018 · The wiring harness had rubbed through and shorted the fuel temp sensor wire to the block. naruto finds out his family is alive fanfiction crossover I have a C15 in my Columbia. Is there any way to make it turn on and stay running until I can get it properly fixed?? Or does anyone have any tips, tricks or quick fixes?! any info is much needed and appreciated!! Customer: 2015 Kenworth t680 with air assist hydraulic clutch. the guage and the guage is reading 10 degrees to high. Charged 2 hours labor A side note: 2018 is a 'new. Try running a separate power or grounds to the solenoid to see if you can manually bypass power to engage and disengage your fan at tthe solenoid. We first started having trouble with the a/c not cooling properly, after spending around $800 at TA to. It comes with a 1-year manufacturer's warranty. Penn Power found and fixed the problem. When it comes to heavy-duty trucks, Kenworth is a name that stands out in the industry. The cost of replacing a clutch can vary depending on seve. The fan clutch from oreillys checked out good with no codes but was bad. Its fan pilot diameter measures 5 inches and fan blade stud length measures 1 Enhance your Kenworth T300 with a CAT 3126 or Cummins ISB engine using the New VISCOUS FAN CLUTCH, model 17866-1, from BORGWARNER. So i guess the solenoid is bad, the power going toward it but the air is not coming out. Cricket has become one of the most popular sports in the world, captivating millions of fans with its thrilling matches and intense rivalries. I have a C15 in my Columbia. loan authorization and agreement Charged 2 hours labor A side note: 2018 is a 'new. High fuel temp won't set a code. I was told the fan wasn't turning on at all and the truck overheated. Problem now is my AC works but the fan doesn't come on when it's needed so I have to run the fan manually as not to damag Check on the dashboard for a fan overridee switch and see if the fan will turn on and off when cycling the fan override switch. It fixed the problem for day. 1st day back on the road, same issues resurface with engine fan running. If the ecm sees higher temp than normal it would leave a hi temp ode and derate or shut down. It is responsible for transmitting power from the engin. With a reputation for durability, reliability, and excellent performance, Kenworth. This allows air pressure in the fan clutch to drop, disengaging the fan clutch immediately. 1996 Kenworth W900 Fan clutch Problem the high pressure29 Cat Man. Aug 24, 2014 · I have a 1999 kw t800. Customer: I have a 2008 kenworth t2000 the fan clutch is not turning of when truck is of and ignition on the fan clutch spins freely when I start the truck about 2 seconds later the fan clutch kicks on high check out fan clutch solenoid working checked ac high and low pressure switch they are getting battery voltage to them checks out fan clutch switch in ac line only getting 5 I had the exact same issue, I bought a fan clutch from oreilly and the fan would run when the AC was on continuously. Then comes back on in 1 minute. This diagram ensures that the air clutch fan on a Kenworth T800 operates safely and effectively. Having the same problem: 1998 Kenworth T600 450k miles super 10. In effect, you hear the cooling fan running all the time. did tupac and selena ever meet No biggy now knowing that. The reverse clutch in the transmission may have become dislodged Clutch slipping and clutch drag are two problems that can occur as clutches wear out. After checking everything, pressures EOT harnesses I replaced it with an Autozone fan clutch and the problem went away. If I were you get an OEM fan clutch. Possible fan clutch as well, unplug ac high pressure switch if it shuts off then theirs your problem. They are inline with the ECM that turns on a transistor to complete the circuit to ground. The wiring harness had rubbed through and shorted the fuel temp sensor wire to the block. Many people install a dimmer switch to operate the. Poor air quality can lead to health problems, such as asthma and allergies, as well as decreased productivity in the workplace One of the common reasons a ceiling fan makes an electrical humming noise is that the voltage the motor is receiving is too low. Jul 24, 2014 · To date, no one has been able to solve this mystery00 at it so far and still no luck. While some issues can be fixed with a little troubleshooting, others may require the help of a professional. a good place to star tho, if the system is the same, the blocks on the T 800 have both hoses in them. I put in a new solenoid and it still wasn't working. Fan stays on until the air pressure hits 90-100 psi AND temp comes up past minimum on the sensor. My problem was a couple days ago the engine fan wasn't coming on expect on a steep grade when temp would get over 205. An internal component in the. Team mates, I have this annoying problem a few mechanics have not been able to help me resolve. Reinstalled but no joy. Clutch pedal feel issues can be caused by problems with the clutch linkage, such as air in the hydraulic clutch system, fluid leaks, or worn clutch master or slave cylinders. Here are a few tell-tale signs to help you spot a failing fan clutch: 1. When your radiator gets hot, the air that passes through it heats up and this causes the bi-metallic coil on the fan clutch to warm up, as well. Replace an AC clutch by removing the serpentine belt and the air conditioner belt, unplugging the electrical harness from the compressor, removing the clutch, changing the pulley,.
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The clutch system in your 2005 Ford Transit plays a crucial role in the overall performance and drivability of your vehicle. Jul 24, 2014 · Then they told me that the clutch fan was out and the thermostat was stuck open which was why my engine fan ran all the time So they change clutch fan and thermostat. Customer: 1996 Kenworth W900 Fan clutch Problem the high pressure switch for my ac is not making the fan clutch come on and the Temp coolant sensor when it gets to 210 or even till 220 fan clutch also does not comes on, this truck has a override switch inside for the fan clutch and it works but the weird thing is that when the ac high pressure switch cuts out the fan clutch should come on and. Think it's the Solenoid valve, or is there a preesure switch. or the outside temps were below 80. With a reputation for durability, reliability, and excellent performance, Kenworth. i have replaced the high pressure sensor, the fan solenoid and Andy International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter Introduction. About 7 months ago my clutch and Master Cylinder for the pedal went out getting off the highway, boss had roadside come out and replaced the clutch and Mast replaced that night on the side of the road. Here are a few tell-tale signs to help you spot a failing fan clutch: 1. Clutch troubleshooting is actually pretty easy. AAMCO recommends having the system checked. AAMCO recommends having the system checked. milan standard obituaries May 21, 2017 · If your replacing your clutch fan ,I highly suggest the 2 speed Horton clutch fan and fan. As a result, it will disable the fans or prevent them from working at maximum efficiency, which will lead to the engine overheating and more severe issues if left unattended. I do flip mine on ahead of time before a big hill though. Customer: I have a 2008 kenworth t2000 the fan clutch is not turning of when truck is of and ignition on the fan clutch spins freely when I start the truck about 2 seconds later the fan clutch kicks on high check out fan clutch solenoid working checked ac high and low pressure switch they are getting battery voltage to them checks out fan clutch switch in ac line only getting 5 I had the exact same issue, I bought a fan clutch from oreilly and the fan would run when the AC was on continuously. Because they are designed as failsafe, the ground circuit is completed when the fan is not needed. When the ac was turned on the fan wasn't coming on. 010023833 HUB-FAN CLUTCH is an OEM part from Kenworth®, Manufacturer Part Number: 010023833, OEM Part Number: 010023833-382P, VMRS Code: 042-003-001. I have a C15 in my Columbia. i have replaced the high pressure sensor, the fan solenoid and the coolant temperature sensor. The fan clutch won't shut off. Engine Overheating Aug 7, 2024 · What are the Most Common Air Conditioner Problems? Most homeowners experience problems with their air conditioners at some point. I have a kenworth t660 that the fan runs all the time. johnson funeral home waconia mn obituary Other problems include. Over time, fan clutches can wear out and fail, resultin. The fan clutch won't shut off. Its fan pilot diameter measures 5 inches and fan blade stud length measures 1 Enhance your Kenworth T300 with a CAT 3126 or Cummins ISB engine using the New VISCOUS FAN CLUTCH, model 17866-1, from BORGWARNER. Getting the Most Out of Troubleshooting Kenworth T800 Turn Signal Problems. An internal component in the. If you hear unusual noises coming from your Kenworth w900 AC system, it could indicate a problem with the compressor or the blower motor. Then they told me that the clutch fan was out and the thermostat was stuck open which was why my engine fan ran all the time So they change clutch fan and thermostat. or the outside temps were below 80. Some times driving down the road I hear it come on and off about 3-4times per Second, like if has a faulty relay or sensor Customer: 06 kenworth t800 Mechanic's Assistant:. Jan 22, 2013 · I had a similar problem with mine. Possible fan clutch as well, unplug ac high pressure switch if it shuts off then theirs your problem. About: This fan clutch is remanufactured with a focus on performance and durability. Kenworth, a renowned name in the commercial trucking industry, has consistently delivered top-notch heavy-duty trucks, and the T880 is no exception. The most common problems with the Kia Sorento include issues with the headlamps and the failure of the air conditioner compressor clutch. by High Mountain Horsepower, LLC Washington, US. Jul 24, 2014 · To date, no one has been able to solve this mystery00 at it so far and still no luck. NOTE To assure maximum horsepower carrying capacity of the Fan Clutch and to prevent damage to the Fan Clutch, there must be a minimum pressure of 90 to 120 PSI to the Fan Clutch upon engagement Mount the Solenoid Valve on either the vehicle. star gazette obituaries elmira new york This clutch is perfect for maintaining engine temperature and performance. Then comes back on in 1 minute. In the event of fan clutch slippage, heat builds up at the outer edge of the Piston Friction Disc (PFD). I replaced the temperature sensor and teh solenoid was leaking so i bought a new one. Some things to check. Typically, when a car will move in reverse, but not in forward, the transmission is having issues. Transmission shudder is usually caused by a lack of transmission fluid or a slipping torque converter clutch. I was told the fan wasn't turning on at all and the truck overheated. Enhance your Kenworth T300 with a CAT 3126 or Cummins ISB engine using the New VISCOUS FAN CLUTCH, model 17866-1, from BORGWARNER. Driver complains that clutch goes all the way to the floor and it’s hard to get out of gear. My guage would still read 225 before the fan kicked on so they checked ECM temp reading vs. If not, check the wiring going to the solenoid valve for your fan circuit. When power is removed from quick exhaust solenoid it does not exhaust air in the clutch circuit to allow the clutch to engage. The ECM was convinced that the fuel temp was high, and commanded the engine fan to "on". Fan clutches are an essential component in automotive cooling systems. The air solenoid on the firewall has no power and the manual rocker swich has power only on one side "the yellow/orange wire". If your replacing your clutch fan ,I highly suggest the 2 speed Horton clutch fan and fan. Check for wear & tear of friction facing. Kenworth, a renowned name in the commercial trucking industry, has consistently delivered top-notch heavy-duty trucks, and the T880 is no exception. Over time, fan clutches can wear out and fail, resultin.
Customer: I have an 08 SDP c15 kenworth t800 that the engine fan that won't shut off and fan light is always on. Sep 21, 2020 · The fan clutch controls the operation of the cooling fan, and if a fan clutch goes bad, it may not engage properly or at all. The automatic systems included in these models do give advanc. My guage would still read 225 before the fan kicked on so they checked ECM temp reading vs. Team mates, I have this annoying problem a few mechanics have not been able to help me resolve. The manual setting for the fan won't turn on the fan Cummins Isx fan clutch problem Discussion in 'Trucks [ Eighteen Wheelers. sarah and mikeal intervention update 2022 if there is it's bad and you need to replace asap. Jun 27, 2023 · This can be done by examining the power steering fluid, checking for leaks, and testing the steering system. If the ecm sees higher temp than normal it would leave a hi temp ode and derate or shut down. An internal component in the. When it comes to heavy-duty trucks, Kenworth is a name that stands out in the industry. 00 and a week and a half lost revenue. is melanin carbon The temperature sensor could not sending a signal to the ecu saying that the engine is getting hot and turn the fan on, this sensor should be near your oil filter housing, also there will be a water temp sensor on your coolant overflow or on a coolant pipe. If all of this checks out okay, there may be a potential problem with the fan hub itself or a possible software related issue within the ECM requiring a software update if you have also confirmed that all of your fuses and relays check out okay. Oct 4, 2012 · Finally I took the truck to cat for an overhead adjustment and while it was there I had them look into it. We first started having trouble with the a/c not cooling properly, after spending around $800 at TA to. BTW I have this numbers for the fan clutch HAYDEN 2835 the high pressure switch triggers the fan. This measurement should always be taken at the Fan Clutch air inlet port. Check for wear & tear of friction facing. 70 depression va rating I don't know how the computer got set for a 1 second run of the fan but they changed the amount of time the fan stays on when it comes on and that cleared up the problem. Dec 29, 2012 · I have a 1999 Mack Ch613 and my fan clutch won't stop. The blower motor may have worn-out bearings or a damaged fan blade. Item SKU: Sep 19, 2017 · Team mates, I have this annoying problem a few mechanics have not been able to help me resolve. Poor air quality can lead to health problems, such as asthma and allergies, as well as decreased productivity in the workplace One of the common reasons a ceiling fan makes an electrical humming noise is that the voltage the motor is receiving is too low. Jul 24, 2014 · Then they told me that the clutch fan was out and the thermostat was stuck open which was why my engine fan ran all the time So they change clutch fan and thermostat. 1st day back on the road, same issues resurface with engine fan running.
If all of this checks out okay, there may be a potential problem with the fan hub itself or a possible software related issue within the ECM requiring a software update if you have also confirmed that all of your fuses and relays check out okay. Good catch Heavy Assault. Whether you’re looking for a new everyday b. Problem occurs whether or not A/C is on. When the ac was turned on the fan wasn't coming on. With its high-quality bearing and durable design, this fan clutch is built to last and withstand even the toughest conditions. with the engine off there should be some resistance to the fan hot or cold. The air solenoid on the firewall has no power and the manual rocker swich has power only on one side "the yellow/orange wire". While some issues can be fixed with a little troubleshooting, others may require the help of a professional. When it comes to off-roading adventures, having a reliable and high-performing vehicle is crucial. Other users suggest possible causes and solutions, such as fuses, wires, ECM, and AC pressure. Aug 28, 2013 · Possible fan clutch as well, unplug ac high pressure switch if it shuts off then theirs your problem. Fan Clutch won't turn off Discussion in 'Trucks [ Eighteen Wheelers ] ' started by. 791081RMAN FAN CLUTCH is an OEM part from Kenworth®, VMRS Code: 042-003-013, Manufacturer Part Number: 791081, OEM Part Number: 791081RMAN-412X. If you hear unusual noises coming from your Kenworth w900 AC system, it could indicate a problem with the compressor or the blower motor. Think it's the Solenoid valve, or is there a preesure switch. Penn Power found and fixed the problem. i have replaced the high pressure sensor, the fan solenoid and Andy International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter The Kenworth T2000 is a powerful truck that comes with a range of issues that can be difficult to identify and resolve. Due to the year of this truck, this is multiplex electrical meaning you have multiple control modules communicating with one another programmed with particular software and programmed inputs from sensors and switches as well as programmed outputs to different accessories and components. 2. matt beckham cassie stoddart now A group of chickens is called a brood. If you’re a fan of Radley bags, then you know that their outlet sales are one of the best times to get your hands on some amazing deals. Other users suggest possible causes and solutions, such as fuses, wires, ECM, and AC pressure. I was told the fan wasn't turning on at all and the truck overheated. Now a "faulty code" bill turned to a repair bill of $3250. The fan always turns when running [like at idle] when the pcm begins to see higher temps than it likes it engages the fan electrically by heating the viscos fluid in the clutch which makes it swell tightening the clutch. A group of chickens is called a brood. What are the Most Common Air Conditioner Problems? Most homeowners experience problems with their air conditioners at some point. From common electrical problems to step-by-step diagnostics and effective repairs, ensure your truck's electrical system stays in top shape. Now a "faulty code" bill turned to a repair bill of $3250. the guage and the guage is reading 10 degrees to high. Do you have good air supply to the fan control solenoid? Does the fan solenoid function? Are you sure you jumpered the fan switch and not the AC cycle switches? Fan switch should be normally open. Can someone please try to help me!! I am currently somewhere in BFE georgia and the clutch fan is not working. That way your fan will (in theory) always fail to running all the time. The air conditioner won. amazon careers fargo When it comes to maintaining and repairing your Kenworth truck, having a good understanding of the commonly replaced parts can be incredibly beneficial. Here are some of the most common air conditioner problems and how to fix them: 1. There are different types of fan clutch and each has its own function. i am getting a code that says fan clutch driver. I don't know how the computer got set for a 1 second run of the fan but they changed the amount of time the fan stays on when it comes on and that cleared up the problem. May 28, 2016 · A user asks for help with a fan solenoid problem on a Cummins ISX engine. Aug 18, 2016 · I've been having trouble with a the fan clutch on a 01 KW t300. Low fluid levels or an improper transmission. 79A9647RMAN CLUTCH-FAN is an OEM part from Kenworth®, VMRS Code: 042-003-013, Manufacturer Part Number: 79A9647, OEM Part Number: 79A9647RMAN-412X. This allows air pressure in the fan clutch to drop, disengaging the fan clutch immediately. Fan stays on until the air pressure hits 90-100 psi AND temp comes up past minimum on the sensor. The clutch is an essential component in any vehicle, including the 2005 Ford Transit. We ate clutch fans like crazy on our 2012 ISX in our KW W900. 1998 kw w900 n14 So recently we got my fan clutch working and my AC.