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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 04-03-2015, 08:32 PM   #1
50sKid
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DIY How to Remove Stubborn Fan Clutches

Hey guys,

I thought I would put together a vid on how to remove impossible-to-remove fan clutches.



-Jason
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Old 04-03-2015, 08:43 PM   #2
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Very imaginative but I just bought the correct tool and called it a day.
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Old 04-03-2015, 09:31 PM   #3
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This ain't rocket science... If you can't buy the right tools... They are easy to make.
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Old 04-03-2015, 09:50 PM   #4
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Thanks for taking the time to do this Jason. I'm sure a lot of people will find it useful
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Old 04-03-2015, 11:20 PM   #5
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Thanks for taking the time to record this
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Old 04-04-2015, 10:50 AM   #6
zander271
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DIY How to Remove Stubborn Fan Clutches

Great vid! There was a member that couldn't get his fan off. Wish he had known about that 3rd method.

Last edited by zander271; 04-05-2015 at 12:27 AM.
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Old 04-06-2015, 09:58 AM   #7
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Originally Posted by zander271 View Post
Great vid! There was a member that couldn't get his fan off. Wish he had known about that 3rd method.
I'm in this boat. I have the tools, and added pipe extensions for leverage . My mechanic neighbor questioned the reverse threads. His Ranger was supposed to be reversed but wasn't.
Will PB Blaster hurt a water pump from the outside, if I clean it off once/if I get it out? It's only 2 years old

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Last edited by DEADF15H; 04-06-2015 at 09:58 AM.
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Old 04-06-2015, 06:30 PM   #8
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My advice would be to swap it out for the electric fan. My first BMW was an auto and when I did my cooling system around 100k i got rid of the clutch fan. They are known to fail and go off like a grenade causing lots of damage to your car. Search for Solid Jakes DIY on it. I even posted on the same thread on how to use zip ties if some of your clips break during some of the removal process.

Not to long after that some dude ran a red light and hit me totaling the car. Now I have a manual ZHP (all manuals have an electric fan) and a 5 speed XI.
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Old 04-06-2015, 06:43 PM   #9
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Drive a BMW with a manual transmission.
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Old 04-12-2015, 04:49 AM   #10
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PB Blaster won't hurt anything, no matter what (AFAIK). What were you thinking about using it for? The water pump nuts, or?

Last edited by 50sKid; 04-12-2015 at 04:50 AM.
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Old 04-12-2015, 04:53 AM   #11
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Originally Posted by markusmarkus View Post
Drive a BMW with a manual transmission.
D'oh! Why didn't I think of that? I'm gonna make a new video where I'm like: drive a stick.

I do have a problem with making overlong videos after all! ;-)
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Old 04-12-2015, 06:44 AM   #12
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Drive a BMW with a manual transmission.
I tried that. I still need a way to get my fan clutch off
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Old 04-12-2015, 07:33 AM   #13
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Originally Posted by 50sKid View Post
PB Blaster won't hurt anything, no matter what (AFAIK). What were you thinking about using it for? The water pump nuts, or?
Thanks, I was going to hit the fan nut again, then the water pump nuts if needed.
I drove a manual for 30 years, SoFlo's roads are flat, straight and congested. I'm over it.
Electric conversion is high on the list, a few more PM items first, and I still have to get the old one out.

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Old 04-12-2015, 07:42 AM   #14
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Try a 50/50 mix of acetone and automatic tranny fluid. Tests have shown that this mixture is by far the best penetrating fluid.
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Old 04-12-2015, 04:59 PM   #15
DEADF15H
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Originally Posted by markusmarkus View Post
Try a 50/50 mix of acetone and automatic tranny fluid. Tests have shown that this mixture is by far the best penetrating fluid.
Thanks!

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Old 04-13-2015, 03:09 AM   #16
50sKid
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Try a 50/50 mix of acetone and automatic tranny fluid. Tests have shown that this mixture is by far the best penetrating fluid.
I've heard this before. I tried mixing up some, but I found that acetone and atf are not miscible. Atf is oil, which is non-polar, and acetone is polar aprotic. Didn't really work as a penetrating fluid for me. I'm not exactly sure what's in pb blaster, but I'm assuming there are some things in there designed to bust rust. Anybody know?
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