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Old 17th April 2011, 07:29   #21
reds2
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What is power source? are you using a 12V source? I've heard people using a 9V battery.
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Old 18th April 2011, 02:40   #22
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Quote:
Originally Posted by reds2 View Post
What is power source? are you using a 12V source? I've heard people using a 9V battery.
12V.
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Old 18th April 2011, 10:33   #23
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Great vids, many thanks, is that where brake cleaner needs to be sprayed to clean the solenoids up? I had it in mind that it needed to be sprayed actually inside the solenoids and then blown out with compressed air, at very, very low pressure I imagine. Is there any value in spraying it into the hole at the top?
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Old 18th April 2011, 10:46   #24
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I sprayed the solenoids while opening them. On those videos i was already spraying to clean them a little more. On me perspective you should not use brake cleaner, as it is a corrosive agent that may eat up the board and IC tracks. I use contact cleaner and vaseline for the finishing. IC boards contacts should be cleaned with vaseline.
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Old 18th April 2011, 11:29   #25
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Sounds sensible, I've already got some decent contact cleaner I bought for something else. Many thanks for the follow up
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Old 18th April 2011, 14:25   #26
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Very nice. Where were you four 1/2 years ago when I was struggling with this myself?

I wish I had kept the old board too, since they are now gold.

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Old 29th April 2011, 19:51   #27
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After assembling the Vanos my mechanic told me that the vanos isn't keeping pressure. Probably the pressure valve is gone. Anyone knows who could take care of that for me?
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Old 12th May 2011, 16:06   #28
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My car has about 104.000kms. I am sure the vanos has not been checked before. The vanos seems to be working as there are no faults being displayed when checked with computer. But I beleive I should change the selonoid o-rings. What kind of advantage will I get when I change the o-rings? Does it meen the cam timing is not perfect when the o-rings are not replaced?
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Old 12th May 2011, 16:28   #29
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No, cam timing and O-rings are separate. Cam timing is the fundamental positioning of the cams, the O-rings affect how efficiently the VANOS can operate (the VANOS changes the cam timing to suit conditions), and there's some little filters in there too that degrade that are worth removing.

How VANOS works

Vanos O rings

I found those with 'VANOS' and 'O rings'
Last edited by feeblebob; 12th May 2011 at 16:32.
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Old 12th May 2011, 16:33   #30
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I am sorry, I miswrote. The vanos changes the position of the cams with different engine speeds. So if the o-rings are not in perfect condition, will they affect the efficiency of vanos?
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