If it sticks, the air is flowing in the right direction, if it blows it fwd., it's not. It was wobbling so much it threw my belt off while I was pulling into a parking lot and it kept driving and running . Set Ascending Direction. Our 20th year anniversary is May 21, 2020. So I have an 89 yj with a 1991 4.0l I6 ( according to the seller) and I recently had my WP go bad. http://www.wranglerforum.com/f8/blue-balled-build-122927.html, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. That's what I don't understand . No. Or..he could of possibly put the fan back on backwards. Dumb suggestion maybe, but did you disconnect and reconnect the battery during the water pump swap?? About a week ago, my AC just stopped working. If your coolant level is low there is a chance that you will get air in the system … Jun 30, 2014 #1. If the fan is moving counterclockwise and you feel a rush of air, it's in the correct setting for summer. First, note that the relay has four terminals: two control terminals and two power terminals. The #1 question asked by NEW MEMBERS. 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. ( btw will post pics tomorrow, jeeps broken down at the job). Sorry for the pic it was just a quick search online but you could be having other problems besides the water pump. Could the motor be bad out of the box? During the summer, blades should spin in a counterclockwise direction. 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 ? The motor in a fan is meant to convert electricity into spinning. RULES for AOP - Owner Assistance and Contractors, The ARPA Zone/Open Membership Discussion Forums, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. Side and also the jeep won't turn over and start ??? What is the short term and long term effect of the fan spinning the wrong way? ... nothing wrong with a 180 thermostat, or even a 160 really. marc5180. if i recall the w/p has an arrow stamped in the casting showing the direction, check out my build thread...BLUE BALLED BUILD. If a vent fan is rotating the wrong way, it may be fixable. If you stand under the fan, you should feel a breeze. Post photos, respond to polls and access other special features. 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. If you don't feel that air … So I have an 89 yj with a 1991 4.0l I6 ( according to the seller) and I recently had my WP go bad. Favorite Answer Most pull air through the radiator although there are "Pusher" fans. ___________________________________________. everything seems to be wired correctly, when operating the unit everything works great for about 15mins then the motor reverses. 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. A forum community dedicated to Jeep Wrangler owners and enthusiasts. Turn off the fan and wait for it to completely stop, then switch the fan rotation by flipping the direction switch. 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. Most ceiling fans have a switch on the motor that changes the direction that the blades spin. Over time, the lubricant on the pin wears down as the fan blades rotate. I hope life isnt a big joke, because I dont get it. Turns over just doesn't start. My setup if for reverse rotation water pump and fan . Anyone else with a 91 I6 4.0L which direction does your rad fan spin ? Not spin the other way. 04-14-2003, 12:19 PM. ..not likely but? Ask Our Pros-Owner Assistance - NO DIY advice will be given. Sort By. A reverse rotation pump has the impeller opposite. Shopping Options Category. Components Coils, Heaters, Motors, etc. If this was the case the thing would just get hot and overheat quick. You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. The only thing that can switch the rotation is the belt routing. 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". 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. 13-04-2010, 09:49 PM. 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??? 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. Anyway, here's what happened. There are 2 evap fans side by side i only replaced the one of them. If you don’t feel much air movement, it’s possible that the fan is spinning in the wrong direction. To complete a single phase motor direction change, you will need to reverse the polarity of the starter winding. Author has 815 answers and 677K answer views. Lincoln Mark VIII. JavaScript is disabled. 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. Refer to the top or side of the relay to locate these terminals. 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. Insufficient Coolant. The radiator fan switch relay may not be supplying power to the fan. I just replaced a condensing unit fan motor with a mars 10728, I set the rotation the right way. Is it possible that my crank is now misaligned or something and that's why it won't start ? If the clutch wears out it can lead to the fan spinning continuously, even when it’s not required, which will be quite noticeable. After doing some googling, I figured out that it was probably a bad run capacitor. 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. 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 . According to Energy Star, ceiling fans should be set to spin counterclockwise in the summer, creating a cool downward breeze. if the run cap is wired in wrong, the fan can run backwards. It sounded like it wanted to come on but the fan wasn't starting up. 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 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. 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. Compared old pump to new one , impellers are going in the same direction , serp belt was installed the way it came out . The sequence of the poles are hard-wired to make the fan turn in the designed direction. 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! I think my AC fan is spinning the wrong way after replacing the capacitor. During the summer, higher speeds increase the wind chill effect. For a better experience, please enable JavaScript in your browser before proceeding. This will cause the magnetic field to change directions, and the motor will follow. I would double check the way you have your belt routed. The radiator fans on cars, being behind the radiator, are sucking - following the natural path of the air that flows as you drive. It's as if my crankshaft pulley reversed its rotation ??? The Intake-exhaust direction should go front-to-back and bottom-to-top. 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? I came to the conclusion I would need to replace the condenser (unless I can find a suitable compressor to swap out). 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. 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? How to Change Fan Direction . (Electric fans in this position can then be turned off as the car motion moves enough air already). waterpumps come in both directions, seems like you purchased the wrong one. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then check … And Wombat756 yes I disconnected the battery before I started working . When you blow compressed air into it causing it to spin, the motor becomes a generator, converting spinning … View Full Version : Evap fans spinning the wrong way? If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. If it’s sticking or resisting, the pin probably just needs lubrication. Shop By. 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 … Turn the pin on the front of the fan with your hand to see if it rotates. Participate in over 40 different forums and search/browse from nearly 3 million posts. Electric Cooling fan turning the wrong way I have a 300 TDI that has had constant cooling problems (2 head gaskets so far). Also check the wiring closely against the schematic. In order to achieve this, you can swap the connections on either end of the winding. 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. I have replaced the pump, thermostat and viscous fan, just in case, and had the radiator flushed (no, not rodded yet). Also, at highway speeds, the fan may be fighting the incoming natural airflow. 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. Please help ! Air Conditioning and Cooling Systems - Condenser Fan Rotating the Wrong Direction - My air conditioning went the other day with it 102 outside in Virginia! But air was still not blowing out from fan, put a piece of paper on top and it sucked to the grill. has the fan blade been put on backwards? Use your hand to try turning the pin in the middle of the fan. It should draw air through the radiator from front to back. The belt was Installed the same as it was removed and per the diagram that's on the rad. You will also be able to identify the Exhaust side as you will see power wires entering the fan motor. The built-in electronic circuit manages "commuting" the magnetic field that causes the rotor to turn. 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. Radiator Fan not spinning fast, and the reading on the temp gauge. 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. Exhaust fans go on the rear or the top. 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. HOWEVER prior to me doing anything AT ALL my fan was spinning clockwise with a reverse rotation water pump and was not overheating ?? Update: So I reversed the fan wire and the common wire at the cap, fan spun in correct CCW. I … 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. Yes... we are 20 years old. 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