I just joined today and been digging into whether I should replace EV on 2004 Buick Rainier 5.3. Manufacturers names, logos, part numbers and descriptions are used for reference purposes only and are not intended to indicate that our fans, fan clutches or fan assemblies are made by the OEM. Fan Clutch A/C Problems. | Cummins Diesel Forum In addition to regulating engine temperatures with razor-sharp precision, viscous-operated fan drives can produce lower emissions, decrease noise pollution, provide fuel savings and ultimately increase performance. When the fan clutch engages, it spins up greatly, increasing air flow through the radiator and over the engine. Its even more annoying if you dont know what role the fan clutch plays as part of the engine cooling system in your engine! This is considered normal and may last more than 3 minutes in cooler climates or at lower driving speeds resulting in fan roar. As you could imagine, trying to stop a locked fan with a rag would not be a pleasant experience. Success stories from users of variable-speed cooling solutions. ELK\KHA(gYIm|eTjQ Gb$cqla7?Nf$77X!ry~1h1,amo 2jI&zI? Z;:QJ-uvgMq4Z(*n *ER"Mvz. 4.Engine Fan Test Results You will need to monitor the entire fan test while it is running to determine if the fan has passed or failed. HWyTSW; * 1d!y ZmK*8gA:s9hG{F;3U9Q]DMNDIBM. You could also put 12v+ to the white wire at the clutch (or at the relay if you can figure out which terminal it is). Thanks for the quick response. Some viscous properties of the fan hub may vary the res When I say it disengages, I mean it coasts to a stop! wikiHow is where trusted research and expert knowledge come together. A properly-functioning fan clutch is critical to engine reliability, as it works to maintain a safe temperature range. Fan Clutch. endstream endobj 43 0 obj <> endobj 44 0 obj <>/Font<>>>/Fields 35 0 R>> endobj 45 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Type/Page>> endobj 46 0 obj <>/Border[0 0 0]/H/P/Rect[54 2.64001 576 14.64]/Subtype/Link/Type/Annot>> endobj 47 0 obj <> endobj 48 0 obj <> endobj 49 0 obj <>stream In addition to regulating engine temperatures with razor-sharp precision, viscous-operated fan drives can produce lower emissions, decrease noise pollution, provide fuel savings and ultimately increase performance. E&OE All information displayed on this website is correct at the time of publication but is subject to change. 2021 Viscofans. Contact Whatsapp: +6012 879 3220 if you need any product! Secondly, if your viscous fan hub is electronically controlled, check if the wire is unplugged or damaged. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/42\/Test-a-Fan-Clutch-Step-1.jpg\/v4-460px-Test-a-Fan-Clutch-Step-1.jpg","bigUrl":"\/images\/thumb\/4\/42\/Test-a-Fan-Clutch-Step-1.jpg\/aid9382520-v4-728px-Test-a-Fan-Clutch-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
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