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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 01-19-2006, 01:48 PM
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NFS NFS is offline
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Mein Auto: E39 540I
How to replace the fan clutch?

I need to replace the fan clutch on my E39 540I. I have the 32mm wrench but I can't stop the pully from moving to unscrew the fan clutch. I don't want to buy the BMW special tool just to replace the fan clutch. Any advice would be greatly appreiciated.
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  #2  
Old 01-19-2006, 03:03 PM
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psychop psychop is offline
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Location: Warsaw, Poland
 
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Mein Auto: E39 528iA
Just slide the wrench in and tap it with hammer to the left. Just be patient, doing it
for the first time might be difficult as the nut tightens with the fan rotating. When i was
removing mine for the first time i was knocking on the wrench for 5 minutes before
it gave up.

Be careful not to hit any engine accessories, i never did it on the V8 however in the i6
the VANOS actuator is in the way
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Last edited by psychop; 01-19-2006 at 03:07 PM.
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  #3  
Old 01-19-2006, 03:08 PM
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chivas chivas is offline
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Mein Auto: 98 540i/6
hahahaha!!! i was having fun with this today. 15/16th wrench fit well and it was a PITA to get it off... actually, i never got it off. i just got a new fan with fan clutch with the pump.

you know, if you can actually get the fan off, there's knotches in the fan clutch where you can slide a 10 mm on one end and an extention on the other to keep the clutch from spinning when you do the intial impact hit. find the knotch, and line it up with a nut on the pump and that'll hold the clutch in place. there's 3 hex screws that holds the fan to the clutch which at the end, will need to be taken out anyways.

i'll try to take some pics tomorrow as i forgot my **** today at home when i went to get some more work done at the shop.
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Old 01-19-2006, 03:09 PM
supark supark is offline
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what worked for me was working a thin blade screwdriver through the bolt heads on the waterpump pulley. It gave just enough resistance that I was able to get the fan clutch off.
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  #5  
Old 01-19-2006, 03:40 PM
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Mein Auto: 1998 540i 6-speed
1-1/4" wrench fits too! put it on, get a rubber mallet, wack it clockwise, it's reverse threaded. It will come loose after 5 or 6 hard blows. Then spin the fan and it all comes off easily. do the same when reinstalling, just counter clockwise. MAKE SURE you do not swing down, swing up so if you lose grip, it flies and breaks a window, now your oil canister or cruise module.
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1998 540i 6-spd. - Sold!
2000 528iA sport - Mom's ride, 308k!!!! and still drives like new
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  #6  
Old 01-19-2006, 03:52 PM
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Thanks for the advices. Did anyone removed the expansion tank and the radiator cover to replace the fan clutch? Chivas, pics would be great.
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  #7  
Old 01-19-2006, 03:56 PM
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bimmerd00d bimmerd00d is offline
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Quote:
Originally Posted by NFS
Thanks for the advices. Did anyone removed the expansion tank and the radiator cover to replace the fan clutch? Chivas, pics would be great.
I did not, there is plenty of clearance with the fan and fan shroud off. The radiator/expansion tank does NOT have to come out.
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(as of 11/18/11)
2004 Volvo S60R - The new ride!
1998 540i 6-spd. - Sold!
2000 528iA sport - Mom's ride, 308k!!!! and still drives like new
2005 Dodge Ram 2500 Cummins - 145k, 800lb/ft. John Coal Train.
2001 Volvo C70 Coupe T5 - The wife's car, 170k. Needs a timing belt soon
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  #8  
Old 11-05-2011, 04:18 AM
Ricardo567 Ricardo567 is offline
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I think we have to use the tool to take it out. It costs tremendously if we knock off engine related parts or break the fan cap.

I have the video show us how to remove the Fan Clutch

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  #9  
Old 11-05-2011, 06:00 AM
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bluebee bluebee is offline
Seek to understand,^Value
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Quote:
Originally Posted by Ricardo567 View Post
I think we have to use the tool to take it out.
I realize this is a resurrected ancient thread, so, for the cross-linked record:
- How to make your own BMW cooling system overhaul fan clutch nut counterhold tools (1)

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