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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 12-11-2010, 11:24 PM   #1
mitchell172
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ICV - clean or replace

Can you really just clean the ICV or is replacing the real way to make sure all is well? Just wondering for how many folks cleaning fixed things or if anyone still had to replace it.

Thanks,
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Old 12-12-2010, 12:45 AM   #2
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You can actually clean these up pretty well. Might as well try cleaning it before you buy a new one.
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Old 12-12-2010, 01:37 AM   #3
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I cleaned mine before I had any problems with it, so that probably isn't of any use to you.

What you should know is that when you clean it with brake cleaner it may be too clean, you should spray it with seafoam's deepcreep or whatever it's called, so as to lubricate the moving parts.

It's an easy job and definitely something you should attempt before buying a new one. Inspect the lower intake boot for cracks while you're there, and clean the throttle body with a lint free rag.

I didn't remove the TB as I figured it would too much work for nothing, but I did clean a little on the inside by pushing it open with my fingers.. it's not as clean as it may appear from outside.
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Old 12-12-2010, 10:34 AM   #4
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Can you really just clean the ICV or is replacing the real way to make sure all is well? Just wondering for how many folks cleaning fixed things or if anyone still had to replace it.
ICV's can get gummed up over time, and they do clean up pretty well. I used carb/choke cleaner on it when I did my CCV. New ones are pricey, Ticher gets $233.
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Old 12-12-2010, 02:58 PM   #5
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Thanks!
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Old 12-12-2010, 08:28 PM   #6
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Old 12-13-2010, 11:32 AM   #7
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great video my man... doing this asap
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Old 12-13-2010, 12:07 PM   #8
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I used Jake's video a year ago... It can be a pain to get to but cleaning it works just as good and I don't see the need to ever buy a new one.
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Old 12-13-2010, 11:02 PM   #9
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Ive been trying all day no luck.. the lower boot is physically impossible to take out on my car, the screws on the clips that hold it together are impossible to reach with a scewdriver i can just touch them with my fingers :@:@
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Old 12-13-2010, 11:22 PM   #10
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Ive been trying all day no luck.. the lower boot is physically impossible to take out on my car, the screws on the clips that hold it together are impossible to reach with a scewdriver i can just touch them with my fingers :@:@
stubby screwdriver or pliers.
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Old 12-14-2010, 06:24 AM   #11
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I used a stubby wrench to get them. While they seem impossible, they will come off.
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Old 12-16-2010, 01:18 AM   #12
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I cleaned up my ICV. I took the car out for a test drive after double checking everything. Ran fine except for now it seems a little confused at lower rpm like it would if it needed a new ICV or needed to be cleaned. Mine acted fine before so maybe it is just fluctuating a bit now since maybe some cleaner is still in it. I got out all i could after cleaning it. Hopefully it will be back to normal after driving it for a bit.
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Old 12-16-2010, 02:56 AM   #13
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Cleaned mine up and it fixed all my probs.
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Old 12-16-2010, 08:26 AM   #14
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A cleaning it all it needs.
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Old 12-16-2010, 11:45 AM   #15
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It is behaving funny post cleaning was what I was trying to say. : )
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Old 12-17-2010, 12:21 AM   #16
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I've been driving the car around today and it seems to be behaving now. I'm guessing it had to clean out whatever cleaner was still inside the ICV. Thanks for the video DIY Jake.
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Old 12-18-2010, 11:34 AM   #17
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Your car might have had to adapt to the change. Definitely doing this asap. My car i feel definitely needs this, plus I gotta replace the cracked intake boot anyways.
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