A5 3.0tdi swirl flap problem help needed - Audi A5 Forum & Audi S5 Forum
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post #1 of 8 Old 18th April 2017, 08:43 AM Thread Starter
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A5 3.0tdi swirl flap problem help needed

hi guys i have a problem with my A5 3.0tdi swirl flap on drivers side hope someone can help

the engine management light has been on a few weeks but not lost any power
on diagnosing the car i have found the swirl flap controller has separated from the motor and the flap.

i have seen the repair kit on interweb but nothing on just to remove them completely.

has anyone removed them completely?

I no they can be removed on bmw n mercs.

I know the management light will stay on but i will be able to have them mapped out.

Can any one help?
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post #2 of 8 Old 18th April 2017, 11:06 AM
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Quote:
Originally Posted by taz_no1 View Post
hi guys i have a problem with my A5 3.0tdi swirl flap on drivers side hope someone can help



the engine management light has been on a few weeks but not lost any power

on diagnosing the car i have found the swirl flap controller has separated from the motor and the flap.



i have seen the repair kit on interweb but nothing on just to remove them completely.



has anyone removed them completely?



I no they can be removed on bmw n mercs.



I know the management light will stay on but i will be able to have them mapped out.



Can any one help?


Heloo

Yes , You can remove it !

We mapped out from my father's a4 3.0tdi BKN.

Next week i'll remove from my a6 3.0tdi BMK.

I refurbished for myself, but i bought EU 5 intake manifolds and Y pipe (aluminum) and i'd like to sell my old ones.




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post #3 of 8 Old 20th April 2017, 03:46 AM Thread Starter
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do i need any thing to blank?

do i need to remove the flap from housing?
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post #4 of 8 Old 20th April 2017, 06:06 AM
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No, you don't need to blank.

Remove the flap inside, but this part you can't remove.





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post #5 of 8 Old 20th April 2017, 06:06 AM
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post #6 of 8 Old 21st April 2017, 03:23 AM
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The main fault was the actuator arm, once these are replaced with the newer modified ones, they generally don't give any further problems.

Also if you remove them, you remove their benefit. At lower revs they are closed, this blanks 1 inlet valve, making the air entering the engine 'turbulent' for better combustion and this in turn gives better engine response and power.

Remove them and you will loose bottom low revs power. I'm not talking 50bhp, but these flaps are not for emission like the EGR etc, they are for a better performing engine at low revs.
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post #7 of 8 Old 21st April 2017, 09:59 AM Thread Starter
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i have replaced faulty actuator arm but now feel car is running rough
but it felt fine when the arm was off.

if i have it mapped should i not re-gain the lower end power?
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post #8 of 8 Old 24th April 2017, 07:29 AM
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Strange, the swirl flaps shouldn't alter the running of the car.

Try disconnecting the arm again to see if it is that. A remap won't make any difference to the running, this will be an issue with something other than ECU coding.

Did you replace both arms (both banks)?
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