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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 04-30-2011, 09:00 PM   #1
newtuner
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Vanos repair.

I got all the parts I need to do the double Vanos repair as well as the rattle fix. I am using the Besian procedures as how to fix the unit. The first step is to remove my mechanical fan and shroud. In trying to do this I think I flexed or damaged a coolant fitting. Some coolant leaked out, I ran the car and didn't see a leak or any coolant spraying out. I will continue to monitor the "leak". My question is can I do the repair without removing the fan? I can see catching the oil from inside the Vanos a little harder, but everything else should be ok.
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Old 05-03-2011, 08:44 PM   #2
mustang67
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I did them on my 2000 328i I would remove the fan. There is not a lot of room up there and the fan still being there will make you very unhappy. Don't ask how I got the fan off I worked on it and I was about to give up and I turned around and my Dads had got it off. I think it's a age and leason thing Dad are good for them. I would see if can rent a wrench from Autozone or such to take it off.

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Old 05-03-2011, 09:43 PM   #3
Mango
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If your car is an automatic, you could have very well pierced one of the veins of your radiator while trying to remove the mechanical fan. If so, you'll need to replace the radiator (or have it repaired/welded by a local radiator shop) they'll charge you like $20. First find out where the leak came from. Did it spray out in a fine mist/stream?

And no, it will be next to impossible to do this with the fan installed. If you can't remove the fan, you have no business proceeding any further. You will harm your car.
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Old 05-04-2011, 09:32 AM   #4
newtuner
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Thanks for the feed back guys. I don't think the leak came from the radiator as it sits on the other side of the fan. I know where the leak came from, the hose coupling that runs over the fan pulley. It's a 1.5" hose OT something like that. There hasn't been anymore coolant on the floor, nor was there any spraying when I ran the car to operating temp. Just seems like you can flex that connection so much that coolant will spray out. I have the 32mm combo wrench and I tried to make the bar tool (as explained in another thread on here). That just resulted with a 1" cut on my forehead. Where can I pick up the fan tool, is this something I can buy through the dealer?
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Old 05-04-2011, 08:22 PM   #5
Solidjake
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Yup, you have to remove the fan to do the job. I hate to say it but you might need to get a new radiator :/ Cost is around $140 shipped give or take from autohausaz.com
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