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Old 01-19-2018, 11:36 PM   #1
Bimbam
1st Gear Newbie
 
Join Date: Dec 2017
Location: Toronto
Posts: 4
Need Help With Dual Vanos Rebuild P0011 & P0014 Errors.



I rebuilt the double vanos on my 2005 325i E46. Cleaned all the camshaft gears and secondary chain. Re-installed all cam gears, chain, tensioner and timed the engine as per the specs. Checked the timing was correct by turning crankshaft two full turns with tensioner installed and vanos timing jig installed (as per the manual). Timing was still right on as per the specs. Removed everything and installed the vanos.

Initially it would not start due to a low battery. I boosted it and it started.
On startup vanos was very noisy (knocking sound) and slight hesitation at idle. Warmed up engine then shut it off. Now it will not start. It tries to start, will sputter and quit. Get P0011 (Bank 1) and P0014 (Bank 1) codes. Cleared the codes. No codes show up now (probably because its not running long enough to set any?). It will not start. Tries, sputters and dies.

Removed the intake actuator, it was a bit sticky, cleaned it and re-installed, moves easily, but still have the no start problem.

I'm suspecting something in the timing shifted or slipped? Or would this be an issue with the vanos, considering the noise it was making on startup?

Any suggestions on what the issue may be would be appreciated.

BTW, will this car continue run if the battery is low? VOM reads 12.3V but hydrometer reading on all cells are 1.25 - 1.45.

Thanks,
Bimbam
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Old 01-20-2018, 08:35 PM   #2
jabela
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Location: Toronto, ON, Canada
Posts: 1,269
Funny things can happen when the battery is low. Do you not have a charger? If not, I'd go grab one just to rule it out.

The first thing that came to my mind with the rough running was a vacuum leak. Just because it's so common on these cars.
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Old 01-20-2018, 10:02 PM   #3
MANDD
Autobahn East
 
Join Date: Jul 2005
Location: Ajax
Posts: 304
So after turning the crank twice back to TDC cyl 1 you refitted the cam blocks at the rear of the camshaft and ensured it sat flush?

You should go and recheck the timing position using the cam blocks for the rear and the VANOS timing jig at the front. Also ensure the VANOS bolts are correctly torqued (Left hand thread)

I believe the cam timing is incorrect. The battery may read 12.3ocv but may actually be much lower under load (cranking).

Mark.

Quote:
Originally Posted by Bimbam View Post
I rebuilt the double vanos on my 2005 325i E46. Cleaned all the camshaft gears and secondary chain. Re-installed all cam gears, chain, tensioner and timed the engine as per the specs. Checked the timing was correct by turning crankshaft two full turns with tensioner installed and vanos timing jig installed (as per the manual). Timing was still right on as per the specs. Removed everything and installed the vanos.

Initially it would not start due to a low battery. I boosted it and it started.
On startup vanos was very noisy (knocking sound) and slight hesitation at idle. Warmed up engine then shut it off. Now it will not start. It tries to start, will sputter and quit. Get P0011 (Bank 1) and P0014 (Bank 1) codes. Cleared the codes. No codes show up now (probably because its not running long enough to set any?). It will not start. Tries, sputters and dies.

Removed the intake actuator, it was a bit sticky, cleaned it and re-installed, moves easily, but still have the no start problem.

I'm suspecting something in the timing shifted or slipped? Or would this be an issue with the vanos, considering the noise it was making on startup?

Any suggestions on what the issue may be would be appreciated.

BTW, will this car continue run if the battery is low? VOM reads 12.3V but hydrometer reading on all cells are 1.25 - 1.45.

Thanks,
Bimbam
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Old 01-23-2018, 10:51 AM   #4
doogee
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Location: Ancaster
Posts: 3,571
The codes will lead you in the right direction.

Looks like it isn't timed correctly.
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