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#11
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I also went with Sachs fan clutch mine took a dump shortly after I took ownership at 9 years of age yet only 62k miles - (another example of age taking a toll on parts rather than miles)
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards |
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#12
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When the clutch fan wobbles it attacks the water pump bearing so be sure you don't have a coolant leak at the shaft.
The electric fan is intended to be supplemental but running with only the electric fan, in most cases, will be sufficient cooling though will shorten the life of the fan. In addition, it is higher risk. If the electric fan dies you are stranded and may have overheated the engine and cooling system enough to cause other, likely costly, damage. I wouldn't have a daily driver without both fans operational even though I am a gauge scanner. In my case, seeking to free up HP used to turn the clutch fan, I installed an electric fan in place of the clutch fan. There is a thread here that covers the install. I have a controller that allows me to adjust the temperature the fan comes on. I have it set to come on just prior to when the auxiliary fan starts. I wired it so that it continues to cool after the engine is turned off. The install is easy, the cost is reasonable. I have been removing clutch fans in favor of electric fans for decades, certainly on race stuff but also daily drivers.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#13
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I've deleted clutch fan on all 3 cars and replaced it with electric High Performance Spal fan. All 3 cars have slightly different setup but no issues for few years now + important benefits:
1. No stress on WP bearing, especially when clutch fan starts wobbling and accelerates the WP bearing wear. 2. Extra room when work on WP, pulleys, belts etc... I can do quite a bit without even removing fan shroud. https://xoutpost.com/bmw-sav-forums/...ch-delete.html http://www.bimmerforums.com/forum/sh...get-this-lucky http://www.bimmerforums.com/forum/sh...on-97-BMW-528i
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2010 BMW M6 * Black Saphire Metallic * Full Black Merino Leather 2019 BMW X3 M40i * Alpine White * Mocha Leather |
#14
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#15
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Cheers!
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2001 E53 X5 4.4i (03-07-2001 build date) White exterior / hellbeige interior (6MT swap vehicle - Manny) 2002 E53 X5 4.6is (12-20-2001 build date) Imola Red exterior / M-texture interior (Red) 2003 E53 X5 4.4i (06-26-2003 build date) Silver exterior / Black interior (Silvester II) 2008 Mini Cooper S ragtop (04-17-2008 build date) Dark Silver exterior / Gray interior ( Topless) BMWCCA member (#4745) |
#16
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The guys that are driving without the clutch fan - did you pull that plastic funnel that goes around the fan?
One of my plastic fan blades got knocked off - (my stupid mistake, left something there and started the car). Since then I was feeling the idle changed. I pulled out the fan today and felt it was smooth again - could an unbalanced fan make a difference in the idle?? Is in the 40's here, going to leave it off for a couple of days along with that funnel. THANKS for posting this!
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2004, X5, 3.0, 202k+ |
#17
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'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold) |
#18
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Update:
- Bought a brand-new Sachs, it also says Horton on the Fan Clutch. Installed it and it is nice and quiet now. - The factory Behr Fan Clutch with 125K miles...interestingly when I tested out of the car...on certain rotations: it is stiff as designed, but after spinning some more, it free-wheels and makes noise (rao...rao...rao...in my hand), so it is definitely Kaput.
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT |
#19
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#20
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Although I am a hardcore DIYer, in this situation, I think $85 is worth it for 120K of service. Refilling with viscous oil is a nice idea, but I rather replace the Fan Clutch and be worry-free for the next 100K-120K.
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT |
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