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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 03-12-2005, 04:29 PM   #1 (permalink)
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I just noticed today that there is a Vibration and noise matching the vibration combing out of my vanons area. I think this just happend today because i havent heard it before. Took the car up to 110 for a little bit but not to long. Only real harsh thing that happend today to it. Any ideas what could be going on in there? Bently manual is in the mail coming next week if i need to tear into it. 94 325is


EDIT. The noise and vibration match engine rpms.
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Old 03-13-2005, 12:50 AM   #2 (permalink)
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Old 03-13-2005, 12:52 AM   #3 (permalink)
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does it kind of sound like a tick?
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Old 03-13-2005, 12:53 AM   #4 (permalink)
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you could have oil buildup on it.. 2 weekend ago when I took my head off to replace cams, my vanos unit was like clogged and covered with oil buildup and was rubbing against one of my cams... if you need a new vanos unit, I have an extra one somewhere.. let me know.
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Old 03-13-2005, 01:07 AM   #5 (permalink)
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It dose sound like a click. I did the stick to the ear trick and its definatly coming from there. I could feel the vibration thats in sync with the tick through the stick.
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Old 03-13-2005, 01:19 AM   #6 (permalink)
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yeah i think mine has that problem too, at first i thought it was lifter tick, but then i changed my oil etc and still didnt go away, after more listneing more closely under the hood and reving the car i heard it coming from around the vanos unit. I want to take mine apart and see what is up with it.

Jr theres a few bolts holding the "lid" of my vanos unit on, is it bad to open it up and look at it, can i mess anything up, do i need a new gasket or what? or can i just open her up?

David
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Old 03-13-2005, 01:31 AM   #7 (permalink)
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Originally posted by bigred318@Mar 12 2005, 11:19 PM
yeah i think mine has that problem too, at first i thought it was lifter tick, but then i changed my oil etc and still didnt go away, after more listneing more closely under the hood and reving the car i heard it coming from around the vanos unit.* I want to take mine apart and see what is up with it.*

Jr theres a few bolts holding the "lid" of my vanos unit on, is it bad to open it up and look at it, can i mess anything up, do i need a new gasket or what? or can i just open her up?

David
[snapback]310005[/snapback]

Look at this first before you do anything. You can't just take of those bolts i dont think, that will pull out part of the vanos unit and i dont think you want to do that. To look at it with out really doing anything to it, it seems like you have to pull off the valve cover

http://www.pelicanparts.com/BMW/techarticl...haft-Timing.htm
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Old 03-13-2005, 01:32 AM   #8 (permalink)
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yeah not a good idea to just pull it apart without knowing what you're doing lol...
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Old 03-13-2005, 01:41 AM   #9 (permalink)
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Quote:
Originally posted by jrhaile@Mar 12 2005, 10:53 PM
you could have oil buildup on it.. 2 weekend ago when I took my head off to replace cams, my vanos unit was like clogged and covered with oil buildup and was rubbing against one of my cams... if you need a new vanos unit, I have an extra one somewhere.. let me know.
[snapback]309997[/snapback]
Are vanos units hard to come by? Because if thats not the case and i needed to replace it i would probobly just get a new one.
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Old 03-13-2005, 01:50 AM   #10 (permalink)
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you sure its not your timing chain? does it sound like the front of the valve cover? could be the chain tensioner.
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Old 03-13-2005, 01:54 AM   #11 (permalink)
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there's also a pin in there that came off on my old engine that I had fixed which was causing some weird issues. don't know what the pin iscalled. vanos units are out there. LIke I said, I think I have 2 of them somewhere.
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Old 03-13-2005, 02:05 AM   #12 (permalink)
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Quote:
Originally posted by Furious@Mar 13 2005, 01:50 AM
you sure its not your timing chain? does it sound like the front of the valve cover? could be the chain tensioner.
[snapback]310026[/snapback]
it could be that... all i know is it sounds kind of like lifter tick, but came to the conclusion it isnt.... it speeds up with the rpms... seems like its not as loud when the engine is cold.... but that might just me

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Old 03-13-2005, 02:08 AM   #13 (permalink)
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Originally posted by Furious@Mar 12 2005, 11:50 PM
you sure its not your timing chain? does it sound like the front of the valve cover? could be the chain tensioner.
[snapback]310026[/snapback]
How could you tell the difference if it was? Dosent the timing chain come up into the vanos unit? I see where the tensioner (i think). Is this the timeing chain tensioner?





Is there a pic on the link that i posted were you can see that pin you are talking about?
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Old 03-13-2005, 02:18 AM   #14 (permalink)
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yes it is, what i had to do to get rid of my rubbing-like sound was pull that out, take the spring inside of it and re-stretch it again. it worked , but i dunno if it would work in your case.
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Old 03-13-2005, 02:23 AM   #15 (permalink)
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Would i have to drain the oil to take that out or is it all going to be in the pan?
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