Should A Fan Clutch Spin Freely When Cold

Fan Clutch questions | Dodge Durango Forum.
Fan spins freely hot or cold... bad fan clutch, right?.
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Fan clutch can hardly turn when cold is it bad - Ford F150.
Fan Spins Freely..Fan Clutch bad? - StangNet.
Fan Maxxforce Clutch Problems.
Symptoms of the Bad Automotive Fan Clutch - 2CarPros.
Should a Fan Clutch Spin Freely When Cold? - Ballistic Parts.
Understanding Fan Clutches — and When it's Time to.
How stiff should a fan clutch be? - Toyota Tundra Forums.
At what temperature does a fan clutch engage?.
Should a Fan Clutch Spin Freely When Cold or Hot?.
At What Temperatures Do Fan Clutches Engage? - Car Super Care.

Fan Clutch questions | Dodge Durango Forum.

On a cold start with the AC on recirc that fan should be in full lockup and pulling as much air as it's capable of moving. Alternatively, if the truck is warm and your fan isn't in lockup (like you could slow it down with your hand - kinda like you could a ceiling fan that you shut off from high setting, then yeah your fan clutch is probably shot. Sep 14, 2020 · If it is NOT electric, when the vehicle is cold, spin the fan by hand. Does it spin freely? If not, it's not working properly. It should spin and come to a stay as if there is some drag. If the outdoor temps are quite hot, and you' have A/C running, it may be relatively normal. You make a comment like you bought the truck yesterday and just now. 437 Posts. #10 · Apr 5, 2011. That's the job of the viscous fluid Jerry was talking about. This fluid changes with temp causing the fan clutch to either engage or disengage. Before you start your jeep in the morning try to spin the fan, it should spin free, if not the clutch is engaged and the fan clutch should be replaced.

Fan spins freely hot or cold... bad fan clutch, right?.

Aug 20, 2018 · When the engine is off, there are a few things you can do to check the fan clutch: Spin the fan. Electronic types might freewheel, but most fan clutches should spin with a little effort. If the fan spins more than three times, you may have a bad fan clutch. If the fan doesn’t spin at all, the bearing may be seized.

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Jan 08, 2016 · The sound may be easily audible and present at all times when the engine is cold and hot. 3. Decrease in power, acceleration, and fuel efficiency. A decrease in performance is another symptom of a bad or failing fan clutch. A faulty fan clutch that leaves the fan permanently engaged will not only cause a noisy engine, but can also cause a. The oil flows to and from the main chamber as engine heat fluctuates, engaging and disengaging the clutch. Traces of oil are perfectly normal, and won’t necessarily be an indication that your clutch is shot. 6. Turn the fan by hand. Grab the edge of one of the blades and give it a good push.

Fan clutch can hardly turn when cold is it bad - Ford F150.

Jun 06, 2022 · A fan clutch should not spin freely whether it is cold or hot because a properly functioning clutch should face enough resistance to prevent it from spinning freely. A good fan clutch spins freely if a significant amount of force is applied but if it spins on a small force, then it is going bad. Table of Contents. May 25, 2011 · 40 Posts. #3 · May 25, 2011. First, with the engine off and cold, for reference, see how easy the fan spins. Then bring the engine up to temp, shut it off and glove on hand, see how the fans spins. It now should be alot harder to spin. If it still spins about as easy when it was cold, it is bad. Much safer way to check your fan clutch. The test on the clutch is hard to do. Since it's a fluid connection (much like a transmission torque converter) it's driven off the engine. So if you shut off the engine and spin it by hand (hot) it can spin. There are some other tests which carry some level of danger (both to you and the car) as they involve trying to stop the fan while the engine is running.

Fan Spins Freely..Fan Clutch bad? - StangNet.

Jun 09, 2015 · Mine does not spin freely, and has a fair amount of resistance. A friend told me that it should spin freely when cold. Also, the part number for a new fan clutch for my 1981 BJ41 is 16210-56020. Running a cross reference on Aisin's website lists two possibilities. The one that seems to be the correct part number is FCT-061, which is a direct. Supposeyour fan clutch has a problem, there is a high likelihood that itstems from the sensitive spring. Also, it could be that theconsistency of the oil as lowered, resulting in added slipping of theclutch. Where this happens, the oil cannot cool the engine as needed,and problems will arise from the same. Additionally, the oil mayleak, and th…. Nov 22, 2015 · Received 268 Likes on 247 Posts. It shouldn't turn much when cold. The general rule is less that a 1/4 turn if you try to spin it by hand. Some say that thermo clutches can't be tested like this alone and suggest getting the motor up to temp, shutting it off, and counting the spins after shut down. If it spun more that 3-4 times, they suggest.

Fan Maxxforce Clutch Problems.

Heavy-Duty Thermal Fan Clutch: This fan style turns the fan at 70-90 percent of the shaft speed when engaged for increased cooling. When disengaged, it turns the fan at 25-35 percent. It’s used with deeper-pitch fans (2 1/2″ of pitch),. Yes, a bad fan clutch will cause A/C issues. The condenser needs air flow to cool hot refrigerant. Is a flex fan better than a clutch fan? For high rpm use, flex fans are considered an upgrade over clutch fans. They can be a good choice for modified vehicles turning 6,000 – 8,000 rpm. Advantages include: They move more air for better cooling. Excessively loud cooling fans. Another common symptom of a faulty fan clutch is excessively loud cooling fans. Decrease in power, acceleration, and fuel efficiency. Beside above, should a fan clutch spin freely when cold? If you try to spin the fan, the fan is tight and will not spin freely even when cold.

Symptoms of the Bad Automotive Fan Clutch - 2CarPros.

Jan 05, 2011 · Spin the fan quickly by hand with the engine cold and off. It should spin 1/4-1/2 turn, not bind or free wheel. When you first start it cold, you should hear fan roar which fades within 1 minute or so as the fan clutch warms up. Your temperature does not significantly increase when you come to a stop after driving 25+mph. Your truck actually. May 26, 2011 · It should loosen and easily spin several times just with finger pressure. This means the clutch is disengaged as it should be when it's cold. If the fan is hard to turn even when cold then the clutch is always engaged. You might need a new spring, or a different application clutch. Aug 13, 2018 · The easy test for the fan clutch is to spin it when have resistance and not spin freely. Water pump should have weep hole, but nothing would come out of there unless the bearing was bad...coolant out the weep hole let's you know the bearing seal is bad.

Should a Fan Clutch Spin Freely When Cold? - Ballistic Parts.

Generally, a fan clutch is tight and does not move completely freely when the engine is cold, however, if the clutch has gone bad it will spin by a considerable amount. Try to spin the fan clutch and observe its rotation. If it rotates without much effort and.

Understanding Fan Clutches — and When it's Time to.

Jun 27, 2015 · 9,598 Posts. #3 · Jun 27, 2015. Only show this user. Reno72 said: Spins freely with a cold motor, should have resistance when the motor is warm. Click to expand... It depends on how it was during shutdown. If the fan was engaged when shut off, the viscous fluid will still be in the chamber making the fan harder to turn. An electronic fan clutch can spin freely but a good fan clutch can spin only when you apply some effort to spin it. Now, if it spins more than thrice, that indicates a bad fan clutch. The maximum spin a fan clutch can have when it’s cold is about ½ or ¼th a turn. So, if the fan clutch is spinning freely, it means it is going bad and you might even hear a squeal from the clutch..

How stiff should a fan clutch be? - Toyota Tundra Forums.

Mar 11, 2022 · Attached to the engine's water pump a fan clutch can go bad in one of two ways. First the and most common way a fan clutch can fail is the clutch shoe inside the unit can get stuck and not disengage causing the fan to lock up on the input shaft which will permanently engage the cooling fan which will be accompanied by a noticeable roaring sound. The fan clutch for around $180 is capable of maintaining 80-85 degrees celsius constant temperature. In most cases, it is mounted to the fan and on the water pump or any other belt-driven pulley. The fan clutch is spinning freely until the temperature reaches a specific heat level. Aug 28, 2004 · They turn with little effort, but wilol not spin freely. When exercised either by yanking the fan back and forth by hand for awhile, or starting the cold engine and allowing to idle a few minutes, they will freewheel as if spinning loosely on a shaft. When the clutch housing warms up, it will gradually increase the resistance to fan motion.

At what temperature does a fan clutch engage?.

If there is no clutch, the fan would be difficult to turn because you would have to turn the fan and the pulley, which are turned by a belt. If the fan is turning freely with no clutch, then there is a problem with either the belt being loose or the pulley will need adjustments. A fan clutch will look like part # D22175, just as an example.. None of these answers are correct. However this is normal, the fan clutch spins independently from the water pump, there's a bearing on the fan clutch itself. And if it was able to rotate freely you would have a problem.

Should a Fan Clutch Spin Freely When Cold or Hot?.

Should a fan clutch spin when cold? Additionally, the oil may leak, and the clutch may come loose. In any of these cases, the clutch would not work as it should. There have been cases where fan clutches spin freely when cold, and when this happens, you have a problem in your hands. To check a fan clutch just try to spin the fan while the cooling system is cold Maxxforce 13 belt diagram Maxxforce 13 belt diagram 9L 24v retired the mechanical injection pump in favor of a high pressure common rail injection system for the 2003 model year.... Since the fan blades did not spin freely, I now knew that the fan clutch was in.

At What Temperatures Do Fan Clutches Engage? - Car Super Care.

A fan operated by an electric motor relies on the information from the ECU, so if the ECU receives false information from the thermostat, it may also lead to the fan not engaging. Should the fan clutch be engaged when cold? The fan should never be engaged when cold. If it won’t move at all, it means the clutch failed in the open position and has created a solid.