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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d. is the premier BMW Forum on the internet. Registered Users do not see the above ads.
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Old 10-16-2011, 10:31 PM   #1 (permalink)
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Fan blades sheering off

Hey this is the second time in under 500 miles that the fan blades sheered right off punctureing my coolant hoses. Does anyone have any ideas as to what might be causing this. Will be finding out details as to when they replaced the fan if they replaced the fan clutch as well. Could the old fan clutch be causing the blades to sheer off ???
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Old 10-17-2011, 01:02 AM   #2 (permalink)
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Remove the fan and clutch assembly. Start the engine and check if the shaft has a wobble in it. Stop the engine and check the shaft for any play. It could be that the water pump bearings are on the way out and putting strain on everything else as a result. Another option could be to look at an electric fan instead.
Have a look at the options available through Zionsville Autosport

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Old 11-05-2011, 07:04 AM   #3 (permalink)
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I search on YouTube to see how to take the fan clutch out to inspect easily

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