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Old 08-15-2014, 10:48 AM   #1
Tament
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Help!!! No start after VCG and Vanos kit install

After installing the Beisan vanos seals, replacing VCG, the car (2001 BMW 330i) will not start.

Some background

I had to remove the splined shaft with the vanos to get the vanos itself off (screws where stripped, and I could not get the spline bolts off) After replacing everything, and button up the system, the car will not start. See the video of what it sounds like when trying to start. I have checked those 30 amp fuse in the fuse box left engine bay "All good". Now I had the coil packs in a box, and during transport from the car to another location in the garage, the box fell with them "pretty hard".

I am wondering if the vanos spline can through the timing off "the spline teeth had a notch in it, that seemed to line up when re-installing"




Any help is greatly appreciated.
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Old 08-15-2014, 03:09 PM   #2
Tament
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TTT - Nothing, this driving me nuts..
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Old 08-15-2014, 04:38 PM   #3
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Ttt
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Old 08-15-2014, 06:19 PM   #4
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This is a picture of what the spline looks like
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Old 08-15-2014, 06:28 PM   #5
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I can't comment on the vanos, but I suggest you go back to basics.
Test spark, fuel and compression.

Assuming you plugged everything back in properly.
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Old 08-15-2014, 08:27 PM   #6
02gtstang
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May need the timing reset. Those have to be indexed I Beleive. Also those screws are reverse thread
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Old 08-15-2014, 10:38 PM   #7
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Just relax , get in contact with Beisan .. the guy is great and will help you out. relax.
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Old 08-17-2014, 08:23 AM   #8
Tament
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Just sent an email to them, hope to hear back soon...thanks all
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Old 08-17-2014, 08:48 AM   #9
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Quote:
Originally Posted by 02gtstang View Post
May need the timing reset. Those have to be indexed I Beleive. Also those screws are reverse thread
thanks, I am hoping that it is something real simple causing the issue, "don't have the tools for re-timing" I knew they were reverse thread, but they would not break loose, and eventually they just stripped, after applying too much force...Lucky me

Last edited by Tament; 08-17-2014 at 08:49 AM.
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Old 08-17-2014, 08:53 AM   #10
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Doesn't the timing chain stay on the whole time you have the vanos unit off?
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Old 08-17-2014, 09:56 AM   #11
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Yes the chain stayed on the whole time, I did not touch any of that, just Vanos, vanos spline and VCG

Last edited by Tament; 08-17-2014 at 09:59 AM.
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Old 08-17-2014, 10:08 AM   #12
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Sounds like a bad starter. I dont see the engine move when the car is cranked. Could not see the belts in your video.
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Old 08-17-2014, 12:11 PM   #13
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Did you use the BMW tools to reinstall the vanos and time the car properly? It looks like you reassembled it incorrectly.

Edit: Removing the Vanos unit from these cars is a fairly advanced job and complicated procedure. Your intake bucket (the "spline" your picture points to) is not properly seated in the slot with the camshaft spline. You need to take the vanos system apart and reinstall it using special tools. there should be some writeups around here on how to correctly install and time the vanos.

Last edited by JoeRoundel; 08-17-2014 at 12:16 PM.
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Old 08-17-2014, 12:18 PM   #14
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I am thinking bad coils, as they fell pretty hard from about 5ft.
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Old 08-17-2014, 12:27 PM   #15
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You are thinking wrong. If you drove the car in, tinkered with vital engine components, and couldn't drive it out, you made a mistake. Plain and simple. Don't waste your money, check your work. Timing this engine is very difficult, even for experienced techs. Only a handful of people at my dealership will even touch the job.

That sound your hearing when you crank the engine? That is the sound of no compression. That means that the timing of the intake and exhaust cams are way off.

Last edited by JoeRoundel; 08-17-2014 at 12:30 PM.
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Old 08-17-2014, 05:52 PM   #16
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I think that splined shaft is pushed by the vanos piston to change the timing. I don't think it is indexed to a specified helical tooth. My bet is on something unplugged not giving the car spark.
Check the intake and exhaust solenoid connections as well as the cam angle sensor. You also took apart the whole ignition system.

Also check for spark to start with. If it's not firing you know it has nothing to do with the vanos mechanical system.


Last edited by glhx; 08-17-2014 at 07:08 PM.
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Old 08-17-2014, 06:00 PM   #17
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I thought just replacing the seals doesn't change the timing? Is there a danger of messing up the timing when doing this type of surgery?
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Old 08-17-2014, 07:13 PM   #18
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He had to take the gear off because the bolt stripped. Common on this repair. I might have even put a larger size Allen
on there and tapped it in when I did mine

Always recommend to anyone to replace these bolts. Mine was close to stripping out. Wasn't taking a chance. The DIY below says the intake and exhaust gears helical gear needs to go back in the same place it came out but it doesn't say they need to be indexed

German auto solutions has an alignment sheet for these sprockets so maybe it is messed up
http://germanautosolutions.com/product.php?product=126

Install guide for sprockets
http://germanautosolutions.com/diy_t...sassem_diy.php
sprocket alignment-

The DIY for the process of changing sprockets
http://www.bimmerfest.com/forums/sho...d.php?t=655483
read the text -

Still doesn't say anything about indexing the gear
Hopefully he won't have to get that far into it. I doubt it's anything tondo with the vanos. Cool thread on cam changing and indexing though

And please post when you figure out what it is

Last edited by glhx; 08-17-2014 at 07:50 PM.
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