Jonathan Posted June 17, 2021 Report Share Posted June 17, 2021 (edited) My 2012 Edge limited is over heating only when we are going up hill with the AC on. When you turn the MAX AC on the fan is extremely loud. Any ideas what the problem could be. The car had work done on the AC before we bought it. Edited June 17, 2021 by Jonathan Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted June 18, 2021 Report Share Posted June 18, 2021 assuming 3.5 engine. check if the fans are working properly. common for the driverside (A/C controlled) fan to fail after a few years. If this is the case, replace preferably with a motorcraft assembly. keep the old module, as it may still be good. usually, brushes in the fan motor fail. difficult to get repaired inexpensively in the USA, but not uncommon elsewhere in the world. 1 Quote Link to comment Share on other sites More sharing options...
Jonathan Posted June 19, 2021 Author Report Share Posted June 19, 2021 It has the 2.0L in it. How would I go about checking to see if the fans are working properly. Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted June 25, 2021 Report Share Posted June 25, 2021 Open the hood, start car, turn a/c to max. This forces both fans to run. Check to see if they're running ok. Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted June 26, 2021 Report Share Posted June 26, 2021 (edited) i think the 2.0 has a single fan, not dual, but could be wrong. if it has a dual fan setup like the 3.5, then very likely need a fan assembly. it is probable that the control module has failed in this case, since the fan does work, just not as expected. have seen other instances where a relay has been at fault on the 2.0. https://i.ebayimg.com/images/g/3Z4AAOSwIHdgdvzs/s-l1600.jpg Edited June 26, 2021 by WWWPerfA_ZN0W Quote Link to comment Share on other sites More sharing options...
rcll1 Posted February 10, 2023 Report Share Posted February 10, 2023 On 6/18/2021 at 12:25 PM, WWWPerfA_ZN0W said: assuming 3.5 engine. check if the fans are working properly. common for the driverside (A/C controlled) fan to fail after a few years. If this is the case, replace preferably with a motorcraft assembly. keep the old module, as it may still be good. usually, brushes in the fan motor fail. difficult to get repaired inexpensively in the USA, but not uncommon elsewhere in the world. Thanks for explaining this. Is it possible to open these Ford radiator fans to see if the brushes are worn down? Maybe they wear unevenly and get jammed at an angle against the rotor to seize it? Maybe using some fine grit sandpaper on the contacts if they are burnt or dirty? Are these definitely brushed motors or could they be brushless? Would some silicone spray on the rotor help free them up if they get stuck? It seems sometimes you can tap them with a wrench and they start spinning freely again. Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted February 19, 2023 Report Share Posted February 19, 2023 (edited) @rcll1 yes the brushes do wear down, most often the cause. sometimes the module will fail but rare compared to brushes. don't know if any spray product will help. there used to be a video in arabic on youtube showing disassembly and repair of these fans ... his channel ... prob not cc'd https://www.youtube.com/@myh1401/videos Edited February 19, 2023 by WWWPerfA_ZN0W 2 Quote Link to comment Share on other sites More sharing options...
rcll1 Posted March 4, 2023 Report Share Posted March 4, 2023 (edited) Thanks for the video! It seems the brushes wear all the way down and then lose contact with the commutator. If the brushes are desoldered and replacements resoldered properly should the fix be reliable? I guess it would be like a remanufactured Ford fan. He uses replacement brushes marked FM-312 but they don't seem available anywhere. The dimensions look to be 6mm x 7mm x 20mm. Does that seem right? These on Amazon should be the right size but a different style. Cutting the copper wire from the gold clip would seem to make them like the OEM brushes. Would the length and gauge of the copper wire be an issue? https://www.amazon.com/uxcell-Carbon-Brushes-Electric-Replacement/dp/B07DYW3MG6/ Edited March 4, 2023 by rcll1 Quote Link to comment Share on other sites More sharing options...
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