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523 iAN 
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Joined: 17-September-2005 Location: close to Loch Lomond Status: Offline Points: 1258 |
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 Topic: E39: fan wobblePosted: 28-April-2012 at 19:30 |
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Hi guy's just wondered if anyone could help diagnose my car's problem before i go and spend to much money on to many parts
 noticed during the week that my car's cooling fan wobbled same as on this video for an M5: http://www.youtube.com/watch?v=3n7BnhchH0g ive no over heating issues or water loss when i wobble the fan by hand there is no movement from the 32mm nut that holds the fan in place, just the fan wobbles & i can stop the fan fairly easy by hand when the car is running.. is it posable that these signs are from a worn viscous/clutch (bearing) and all i need to replace at the moment is the viscous/clutch.
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2003-530i SE
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Cambell
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Joined: 07-January-2007 Status: Offline Points: 3830 |
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Posted: 29-April-2012 at 12:14 |
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Looks like it mate, I know a mate just replaced the viscous fan coupling on his M3, was only about £70. All good now.
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523 iAN
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Joined: 17-September-2005 Location: close to Loch Lomond Status: Offline Points: 1258 |
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Posted: 29-April-2012 at 16:06 |
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i tried to remove the viscous today but i need the proper holding tool, just about to order it now along with the new viscous & V-belt.
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2003-530i SE
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Andrew Rolland
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Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
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Posted: 30-April-2012 at 12:08 |
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Yip your viscous coupling has failed. You should not be able to stop it rotating by hand when the engine is turning.
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Be exclusive and drive a Petrol 5 Series!
Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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thepits
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Joined: 09-July-2003 Location: far far away Status: Offline Points: 10000473 |
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Posted: 01-May-2012 at 11:55 |
Good job it had failed otherwise you'd be looking in the engine bay for your fingers
 Try a rolled up newspaper next time!
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523 iAN
Really Senior Member II
Joined: 17-September-2005 Location: close to Loch Lomond Status: Offline Points: 1258 |
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Posted: 04-May-2012 at 18:30 |
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all sorted now, took 5 days for the tool to arrive and less than 5 min's to undo the nut and fit the new viscous ... lol
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2003-530i SE
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Andrew Rolland
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Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
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Posted: 05-May-2012 at 08:54 |
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Yeah getting the tool makes this job so much easier, I really struggled to remove my viscous fan on my E39, bought the tool online and like you said, took 5 mins to then do the job!
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Be exclusive and drive a Petrol 5 Series!
Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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E39: fan wobble
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Andrew Rolland wrote: