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Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

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 08-16-2006, 05:58 PM   #21
tharaka
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Sorry for the newbie question, what do you gain from replacing the pulleys?
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Old 08-16-2006, 07:28 PM   #22
BamBam26
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A few hp some say they feel nothing others say they feel it me personally I can tell the difference in the higher RPMs also it will tighten up your steering a bit.
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Old 08-17-2006, 01:01 PM   #23
Romulus
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Yep, just did mine... 5 MT 300ci... slightly tighter steering at some speeds, totally not feeling anything at other speeds... no really change in power, except the engine seems to rev lowder... For the simple install, it's cool... Otherway, I'm not sure it's worth the money if you are looking for power - I was looking for the power steering effect since I have the 01 soft steering...
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Old 05-22-2007, 03:21 PM   #24
The Nebulizer
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Does the metal center portion of the fan (the part that used the homemade tool) really have to come off to replace the belt? I was thinking the belt could squeeze around this assembly once loosened up. Is this not possible?
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Old 05-22-2007, 03:31 PM   #25
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Does the metal center portion of the fan (the part that used the homemade tool) really have to come off to replace the belt? I was thinking the belt could squeeze around this assembly once loosened up. Is this not possible?
You still need to take the fan off to take off the WP Pulley
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Old 05-22-2007, 03:39 PM   #26
The Nebulizer
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You still need to take the fan off to take off the WP Pulley
Yeah, I know the plastic fan itself has to come off, but does the metal piece (about 5" diamater) have to come off?

(BTW what is the WP pulley? )
I was actually just using this DIY for info on replacing the belt with an auto transmission fan set up - for supercharger install.

Thanks.
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Old 05-22-2007, 03:44 PM   #27
Marlin311
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Originally Posted by The Nebulizer View Post
Yeah, I know the plastic fan itself has to come off, but does the metal piece (about 5" diamater) have to come off?

(BTW what is the WP pulley? )
I was actually just using this DIY for info on replacing the belt with an auto transmission fan set up - for supercharger install.

Thanks.
The metal peice is attached to the WP (Water pump) you need to take that off in order to detach and reattach the Water Pump Pulley. If you don't take off the metal peice there is no way for the Pulley to come off
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Old 05-22-2007, 04:08 PM   #28
The Nebulizer
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The metal peice is attached to the WP (Water pump) you need to take that off in order to detach and reattach the Water Pump Pulley. If you don't take off the metal peice there is no way for the Pulley to come off
I see, thanks for the reply. I think for just pulling off the belt then I should be fine to leave it on. I'll give it a shot tonight. I don't need to take the WP pulley off (water pump - I knew that... )
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Old 05-22-2007, 04:13 PM   #29
Marlin311
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I see, thanks for the reply. I think for just pulling off the belt then I should be fine to leave it on. I'll give it a shot tonight. I don't need to take the WP pulley off (water pump - I knew that... )

If your just changing belts you should be able to just slide the belt around the fan.
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Old 02-11-2008, 08:44 PM   #30
ChrisHosley
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Smile No need to remove the fan from the fan clutch

I have the slushbox - I took one look at what it would take to get those bolts that hold the fan to the fan clutch off and thought there must be another way...I was able to use a regular craftsman 32mm wrench and a FORD water pump pulley tool rented from autozone to hold the pulley from turning via 2 of the water pump pulley bolts, (or use the prior suggestion for the socket and extenders, etc) either is bit of a tight squeeze but works. Fan and fan clutch come out easily as one, with shroud.
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