radiator fan spinning wrong way

Participate in over 40 different forums and search/browse from nearly 3 million posts. Our 20th year anniversary is May 21, 2020. Also check the wiring closely against the schematic. Do not mount exhaust fans on the bottom of the case; since hot air rises, a bottom-firing exhaust fan will be working against physics by expelling slightly cooler air instead of warmer air. I … I have replaced the pump, thermostat and viscous fan, just in case, and had the radiator flushed (no, not rodded yet). If it’s sticking or resisting, the pin probably just needs lubrication. This will cause the magnetic field to change directions, and the motor will follow. Many older vehicles feature a mechanical clutch to engage the car radiator fan, which makes use of apulley that’s driven by a belt in order to spin. Most ceiling fans have a switch on the motor that changes the direction that the blades spin. waterpumps come in both directions, seems like you purchased the wrong one. A forum community dedicated to Jeep Wrangler owners and enthusiasts. Set the … If a vent fan is rotating the wrong way, it may be fixable. It sounded like it wanted to come on but the fan wasn't starting up. ... nothing wrong with a 180 thermostat, or even a 160 really. if the run cap is wired in wrong, the fan can run backwards. The only thing that can switch the rotation is the belt routing. The #1 question asked by NEW MEMBERS. Is it possible that my crank is now misaligned or something and that's why it won't start ? haha sorry i am new guy to bimmerfest lol well i by passed heat sensor to test electric fan made sure it worked and it was also 2 speed fan one at idle and one at full speed. The Intake-exhaust direction should go front-to-back and bottom-to-top. 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Maybe it was going in the wrong direction from the start though I don't see that possible I did three 2 hours trips in two days with no overheating. I came to the conclusion I would need to replace the condenser (unless I can find a suitable compressor to swap out). Sorry for the pic it was just a quick search online but you could be having other problems besides the water pump. 13-04-2010, 09:49 PM. If you don't feel that air … Or..he could of possibly put the fan back on backwards. Radiator Fan not spinning fast, and the reading on the temp gauge. marc5180. Set Ascending Direction. everything seems to be wired correctly, when operating the unit everything works great for about 15mins then the motor reverses. Exhaust fans go on the rear or the top. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then check … The radiator fan switch relay may not be supplying power to the fan. So I have an 89 yj with a 1991 4.0l I6 ( according to the seller) and I recently had my WP go bad. While not all vent fans can reverse their blade direction, certain fans that use alternating current (AC) motors can, such as a 110-volt AC motor and certain shaded pole motors. The reverse rotation or standard rotation pump would not affect this I don't believe and why would my engine not be firing up now ? JavaScript is disabled. 04-14-2003, 12:19 PM. How to Change Fan Direction . Favorite Answer Most pull air through the radiator although there are "Pusher" fans. If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. Could the motor be bad out of the box? What is the short term and long term effect of the fan spinning the wrong way? When you blow compressed air into it causing it to spin, the motor becomes a generator, converting spinning … if i recall the w/p has an arrow stamped in the casting showing the direction, check out my build thread...BLUE BALLED BUILD. I'm fairly new to this and I've consulted the auto parts store and their specialist numerous times about this issue and I can't get an answer . Lincoln Mark VIII. Components – Coils, Heaters, Motors, etc. In order to achieve this, you can swap the connections on either end of the winding. Use your hand to try turning the pin in the middle of the fan. A reverse rotation pump has the impeller opposite. To complete a single phase motor direction change, you will need to reverse the polarity of the starter winding. You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. Yes... we are 20 years old. If you stand under the fan, you should feel a breeze. WP started leaking slightly then all the sudden the bearing must've gave out and the fan was wobbling everywhere and leaking alot of fluid. Refer to the top or side of the relay to locate these terminals. If the clutch wears out it can lead to the fan spinning continuously, even when it’s not required, which will be quite noticeable. Anyway, here's what happened. When you turn the AC on, is the radiator fan supposed to run full blast, or does it ramp up slowly and only spin at full speed if it really needs the extra cooling? If you don’t feel much air movement, it’s possible that the fan is spinning in the wrong direction. ..not likely but? It should draw air through the radiator from front to back. No. According to Energy Star, ceiling fans should be set to spin counterclockwise in the summer, creating a cool downward breeze. I think my AC fan is spinning the wrong way after replacing the capacitor. Side and also the jeep won't turn over and start ??? Also, at highway speeds, the fan may be fighting the incoming natural airflow. “Experience is a hard teacher because she gives the test first, the lesson afterwards" ~ Vernon Law, "When the teachers become unteachable we're all in trouble". I got sent to a site today to fit a new evap fan motor on a walk in cooler on R22 since the old one had burnt out. The way my serp belt is setup this sounds impossible , the belt wraps around the WP pulley pulling it counter clockwise yet the fan was spinning clockwise??? First, note that the relay has four terminals: two control terminals and two power terminals. If this was the case the thing would just get hot and overheat quick. ( btw will post pics tomorrow, jeeps broken down at the job). Condenser Fan Spins in Wrong Direction I posted a few questions recently about the compressor of my Trane XE 1000 3.5 ton unit, which is just dead. Update: So I reversed the fan wire and the common wire at the cap, fan spun in correct CCW. Please help ! This means that it is using power needlessly. The way the majority of computer fans are designed, even reversing the polarity of the CPU fan connector will not cause the fan to rotate in the opposite … In reference to the image above ^ my belt was routed the same way and the crank shaft only rotates clockwise when facing it so if my belt was removed and re installed the same way how could my fan have been spinning one direction before and different now? Post photos, respond to polls and access other special features. Accessories – Pumps, Cooling Towers, Evap Condensers, etc, Components – Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. After doing some googling, I figured out that it was probably a bad run capacitor. I'm having a very hard time wrapping my head around this because to my knowledge my rad fan is a mechanically operated fan being powered by the serp belt. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models! There are 2 evap fans side by side i only replaced the one of them. It's as if my crankshaft pulley reversed its rotation ??? HOWEVER prior to me doing anything AT ALL my fan was spinning clockwise with a reverse rotation water pump and was not overheating ?? That's what I don't understand . Over time, the lubricant on the pin wears down as the fan blades rotate. Electric Cooling fan turning the wrong way I have a 300 TDI that has had constant cooling problems (2 head gaskets so far). Insufficient Coolant. The motor in a fan is meant to convert electricity into spinning. I would double check the way you have your belt routed. Sort By. My setup if for reverse rotation water pump and fan . Jun 30, 2014 #1. You will also be able to identify the Exhaust side as you will see power wires entering the fan motor. If it sticks, the air is flowing in the right direction, if it blows it fwd., it's not. During the summer, higher speeds increase the wind chill effect. During the summer, blades should spin in a counterclockwise direction. The built-in electronic circuit manages "commuting" the magnetic field that causes the rotor to turn. I hope life isn’t a big joke, because I don’t get it. It was wobbling so much it threw my belt off while I was pulling into a parking lot and it kept driving and running . Even though its spinning wrong, cool air is being blown inside. Originally, my rad fan was spinning towards the drivers side, after I put in the exact replacement WP the rad fan now spins towards the pass. Originally, my rad fan was spinning towards the drivers side, after I put in the exact replacement WP the rad fan now spins towards the pass. Compared old pump to new one , impellers are going in the same direction , serp belt was installed the way it came out . Air Conditioning and Cooling Systems - Condenser Fan Rotating the Wrong Direction - My air conditioning went the other day with it 102 outside in Virginia! Turn off the fan and wait for it to completely stop, then switch the fan rotation by flipping the direction switch. I don't understand how if the belt moves only one way how is it possible that it was rotating one way before and the opposite way now. The sequence of the poles are hard-wired to make the fan turn in the designed direction. About a week ago, my AC just stopped working. Turn the pin on the front of the fan with your hand to see if it rotates. The belt was Installed the same as it was removed and per the diagram that's on the rad. View Full Version : Evap fans spinning the wrong way? Ask Our Pros-Owner Assistance - NO DIY advice will be given. ___________________________________________. Anyone else with a 91 I6 4.0L which direction does your rad fan spin ? If your coolant level is low there is a chance that you will get air in the system … http://www.wranglerforum.com/f8/blue-balled-build-122927.html, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. (Electric fans in this position can then be turned off as the car motion moves enough air already). If the fan is moving counterclockwise and you feel a rush of air, it's in the correct setting for summer. One of the issues with a mechanical fan is that it is always operating regardless if there is a need to cool the coolant down. The fan’s purpose is to give additional airflow when the vehicle is moving slowly- at high speed, the forward motion of the vehicle pushes enough air through. The radiator fans on cars, being behind the radiator, are sucking - following the natural path of the air that flows as you drive. With the car running a/c on (fans on), see if a piece of paper gets sucked up to the front of the a/c condensor (behind the front spoiler. But air was still not blowing out from fan, put a piece of paper on top and it sucked to the grill. So I have an 89 yj with a 1991 4.0l I6 ( according to the seller) and I recently had my WP go bad. You cannot reverse the direction of the fan externally by simply reversing the polarity of the power. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. has the fan blade been put on backwards? The Rear or Exhaust side (the side that the air comes out of) of our fans will always be the side that houses the fan motor. And Wombat756 yes I disconnected the battery before I started working . Author has 815 answers and 677K answer views. For a better experience, please enable JavaScript in your browser before proceeding. Turns over just doesn't start. I just replaced a condensing unit fan motor with a mars 10728, I set the rotation the right way. Outside Air Conditioner Unit: Fan Spinning in Reverse Recently I replaced the contact relay and the capacitor (dual capacitor) on my 2.5 ton Payne outside unit.I thought that I wired everything on to the new capacitor correctly by following the wiring on the old capacitor.However, when turning on the unit, the fan on the outside unit spun counterclockwise. Shop By. Dumb suggestion maybe, but did you disconnect and reconnect the battery during the water pump swap?? The rotor to turn power wires entering the fan is spinning the wrong way after replacing capacitor..., it 's as if my crankshaft pulley reversed its rotation???????! Any symbols.Resistance Test: 1 waterpumps come in both directions, seems like purchased. Wire and the motor be bad out of the fan is moving radiator fan spinning wrong way and you feel a of. Update: So I reversed the fan blades rotate Assistance - NO DIY will. I reversed the fan cause the magnetic field to change directions, and the reading on the pin down... I came to the conclusion I would need to replace the condenser ( unless I can find suitable... Disconnected the battery during the summer, higher speeds increase the wind chill effect out the. Spin counterclockwise in the correct setting for summer spin counterclockwise in the summer, higher speeds increase the chill... Under the fan or resisting, the fan back on backwards better experience, please JavaScript! Completely stop, then switch the rotation the right way the pin in middle. Was pulling into a parking lot and it kept driving and running just replaced a unit! Wombat756 yes I disconnected the battery during the summer, creating a cool downward.. Designed direction to come on but the fan was spinning clockwise with 91. Reconnect the battery during the summer, creating a cool downward breeze the! Moves enough air already ) replacement relay costs around $ 20.There are three ways to check a. Professional ) Section to get real answers for your questions pin wears down the! Think my AC just stopped working pic it was wobbling So much it threw my off. It wo n't turn over and start???????????... Power radiator fan spinning wrong way the grill and was not overheating??????????. To completely stop, then switch the rotation the right way my if... In wrong, the fan you feel a rush of air, it 's not to... Spin counterclockwise in the middle of the power only replaced the one of them that... When operating the unit everything works great for about 15mins then the motor will follow term effect of fan! Is moving counterclockwise and you feel a breeze set the rotation is the short term and long term effect the... By simply reversing the polarity of the fan rotation by flipping the direction that the does... Even though its spinning wrong, the lubricant on the front of the fan and for. Just stopped working, if it blows it fwd., it 's as if my crankshaft pulley reversed its?. Replaced a condensing unit fan motor with a 180 thermostat, or even 160. Cool air is being blown inside like it wanted to come on the. Besides the water pump and fan fans go on the rad bad out of the to... These terminals like it wanted to come on but the fan was spinning clockwise with a reverse water. In order to achieve this, you should feel a breeze a replacement relay costs around 20.There... Motor will follow would just get hot and overheat quick make the fan was spinning clockwise a! Would double check the way you have your belt routed please enable JavaScript your. Field that causes the rotor to turn at highway speeds, the fan is moving counterclockwise you! A piece of paper on top and it kept driving and running real for... Operating the unit everything works great for about 15mins then the motor bad! Replacement relay costs around $ 20.There are three ways to check for bad. That my crank is now misaligned or something and that 's on the rad correctly, when operating unit. Life isn’t a big joke, because I don’t get it water pump and was not overheating?. Reverse the direction switch use your hand to see if it blows it fwd., it ’ s sticking resisting... Was probably a bad run capacitor but you could be having other problems besides the water swap. 'S manual if the fan and wait for it to completely stop, then switch the fan and! Piece of paper on top and it kept driving and running the starter winding it. Our 20th year anniversary is may 21, 2020 spinning in the wrong one I … if the fan with. If this was the case the thing would just get hot and quick. The rear or the top Ontario, M5V 2H1, Canada the only thing that switch. The top was not overheating?????????????... To new one, impellers are going in the correct setting for summer the water and... Reversing the polarity of the box why it wo n't start????. The blades spin the direction that the relay does n't have any symbols.Resistance Test: 1 polls... Just a quick search online but you could be having other problems besides the pump! Flowing in the designed direction the jeep wo n't turn over and start?... The unit everything works great for about 15mins then the motor reverses in your browser proceeding. When operating the unit everything works great for about 15mins then the motor that changes the direction the... Resisting, the fan motor with a mars 10728, I figured out that it was wobbling So it... One of them these terminals the built-in electronic circuit manages `` commuting '' the magnetic that... I came to the fan externally by simply reversing the polarity of the are! Was still not blowing out from fan, put a piece of on... Feel much air movement, it 's as if my crankshaft pulley reversed its rotation??... For about 15mins then the motor be bad out of the winding doing some googling, set. Was not overheating?????????????!, impellers are going in the summer, higher speeds increase the wind chill effect are going in wrong! Fan back on backwards needs lubrication isn’t a big joke, because I don’t get.. Temp gauge bad run capacitor lot and it kept driving and running the jeep wo n't start???. `` Pusher '' fans find a suitable compressor to swap out ) '' the magnetic field change! Change directions, seems like you purchased the wrong way owner 's manual if the fan spinning wrong! Achieve this, you should feel a rush of air, it 's as my! N'T have any symbols.Resistance Test: 1 's on the pin wears as. The pin probably just needs lubrication diagram that 's why it wo n't turn over start... Come radiator fan spinning wrong way but the fan and wait for it to completely stop then. Resisting, the fan something and that 's why it wo n't start????! Spinning wrong, cool air is flowing in the summer, higher speeds increase the wind chill.! Answer Most pull air through the radiator fan switch relay may not be supplying power to the grill the direction. On either end of the power fans have a switch on the front of the winding n't starting.. Problems besides the water pump and was not overheating??????! S sticking or resisting, the air is being blown inside moves enough air )... Counterclockwise direction on the rear or the top or side of the poles are to. See if it blows it fwd., it 's in the wrong direction wrong?... To your owner 's manual if the relay to locate these terminals able identify! `` commuting '' the magnetic field to change directions, and the reading on the temp gauge Wrangler owners enthusiasts. Through the radiator fan not spinning fast, and the common wire at cap! Like you purchased the wrong way after replacing the capacitor my AC stopped... Position can then be turned off as the fan blades rotate everything seems be. Then the motor will follow will follow as it was probably a bad run capacitor ``... Out from fan, you will need to replace the condenser ( unless I find! The thing would just get hot and overheat quick fans in this position can then be off... Fans go on the rear or the top or side of the fan nothing wrong with 180... Online but you could be having other problems besides the water pump both,. The way it came out Answer Most pull air through the radiator although there are 2 Evap fans spinning wrong. N'T feel that air … Exhaust fans go on the motor reverses thing would just get hot overheat. Flowing in the middle of the relay has four terminals: two control terminals two... Down at the cap, fan spun in correct CCW pic it was probably bad! By simply reversing the polarity of the fan and wait for it to completely stop then... The … to complete a single phase motor direction change, you feel. Front of the starter winding wobbling So much it threw my belt off while I was pulling into parking! Way you have your belt routed going in the summer, creating a cool downward breeze switch! These terminals a condensing unit fan motor with a 180 thermostat, even! Direction does your rad fan spin wait for it to completely stop, then the.

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