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Author Topic: testing regulator flap  (Read 984 times)

Offline shikta000

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testing regulator flap
« on: 22 January 2008, 14:45 »
reading bentley concerning testing the lower regulator flap in the lower air filter housing.. too quote...' Apply vacuum to the disconnected vacuum hose and check that the flap moves smoothly. If the regulator flap mechanism is faulty, the lower air filter housing should be replaced.'..i assume this means i just blow into the hose..i've tried this and i can't get it to move..(and no..i'm no breathless wimp)!...anyone tried this test? hoe much vacuum should it need to move?
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Offline Conker

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Re: testing regulator flap
« Reply #1 on: 22 January 2008, 14:50 »
I would post more details about your car (year, 8v or 16v etc.)
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Offline tobz.

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Re: testing regulator flap
« Reply #2 on: 22 January 2008, 14:51 »
To apply vacuum you need to suck on the pipe, you can blow down it all you like but nothing is gonna happen, at least that's what I said to the missus last night :grin:
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Quote from: gibby on 27 April 2007, 13:30
You got any pics of your dad's split ?

Offline shikta000

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Re: testing regulator flap
« Reply #3 on: 22 January 2008, 16:34 »
ok..its an '88 8v digifant...any views on this?
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Offline tobz.

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Re: testing regulator flap
« Reply #4 on: 22 January 2008, 16:50 »
Yeah as above ^^^ you need to suck on the removed vacuum line not blow down it.
If you suck on it then block the end with your tongue then suck some more etc it should be pretty easy to get the flap to move.
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Quote from: gibby on 27 April 2007, 13:30
You got any pics of your dad's split ?

Offline shikta000

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Re: testing regulator flap
« Reply #5 on: 22 January 2008, 18:08 »
a-ha...ok i'll try sucking instead..cheers bro..
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Offline cняis

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Re: testing regulator flap
« Reply #6 on: 22 January 2008, 20:53 »
what happens if it doesnt move?
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Quote from: oilman on 19 November 2010, 14:24
I don't think a semi will give the same results

Offline takethefifth

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Re: testing regulator flap
« Reply #7 on: 22 January 2008, 21:02 »
It's broken!  :grin:

Or you're not sucking hard enough!  :laugh:

Shouldn't make any odds really, supposed to help the cold start by sucking hot air from the manifold but i ran a 57i kit (no airbox) for a year with no problems starting at any temp the yorkshire dales could throw at me.
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Offline cняis

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Re: testing regulator flap
« Reply #8 on: 22 January 2008, 21:25 »
Quote from: takethefifth on 22 January 2008, 21:02
It's broken!  :grin:

Or you're not sucking hard enough!  :laugh:

Shouldn't make any odds really, supposed to help the cold start by sucking hot air from the manifold but i ran a 57i kit (no airbox) for a year with no problems starting at any temp the yorkshire dales could throw at me.

mine has no air feed from the manifold anyway, guess it was removed when the 4 branch went on...

likewise, no problems starting.... ever!! *touch wood*
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Quote from: oilman on 19 November 2010, 14:24
I don't think a semi will give the same results

Offline rubjonny

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Re: testing regulator flap
« Reply #9 on: 23 January 2008, 10:46 »
yeah same here, my flap hasn't been in use since the 2.0 bottom end went in, made no difference whatsoever!  Itsd only there to make the engine warm up a bit quicker on GTI models anyway.
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Hello my name is John and I'm a dub addict.
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