Re: Vacuum hoses...was Re: Warm intake issue

["S. Coleman" <deadbolt@mindspring.com>]

  The flap on the air box is not vacuum operated.  There is a ?heating
element?that allows the warm air in until the motor warms up,...once the
warm engine heats up this element,...the flap closes off the warm air and
allows the cool air to enter.  As far as the purple hose on your car,....it
should run from the intake to the carbon canister under the drivers side
front wheel.
HTH,
Chris
----- Original Message -----
From: eric chase person <eperson@students.uiuc.edu>
To: geordy <grostad@thresholdnetworks.com>
Cc: <scirocco-l@scirocco.org>
Sent: Thursday, May 17, 2001 5:19 PM
Subject: Vacuum hoses...was Re: Warm intake issue


> speaking of this vacuum-controlled airbox flap, where does the hose
> leading to this draw its vacuum from?  Is it the purple hose from the back
> side of the intake boot?  I am going to be replacing all my lines soon and
> the diagram in the engine bay is crappy,and Bentley doesnt give us
> anything in the form of vacuum routing diagrams.  Anyone have a good
> diagram of the hoses and routing?
> thanks,
>
> Eric Person
> 86.5 16v
>
> On Thu, 17 May 2001, geordy wrote:
>
> > On start up until the engine gets enough rpms to create a good enough
> > vaccuum to
> > open up that little trap door inside  the airbox, yes it's probably
> > starving for air.
> > Unblock the hole and go from there...  If that works, then maybe disable
> > the trap door
> > mechanism.  (If your car even has one, otherwise none of this applies)
> >
> > RoccoPhil wrote:
> >
> > >Well, I thought I'd throw this out for comments.
> > >
> > >Have an 8v (located out of state) that is very hard to start.  As if
it's
> > >choking for air.  Here's what I know:
> > >
> > >Timing is textbook perfect.  Fuel delivery is wonderful.  I've checked
both
> > >repeatedly.  Spark is strong.  HOWEVER, here is the issue.  The warm
air
> > >intake is now off the car (manifold section rusted out, so I yanked
it).  I
> > >thought to tape off the opening for the warm air intake on the intake
box
> > >(left the cold air intake open), seeing as warm engine bay air going
into
> > >the intake would suck somewhat.  Now my question: did blocking this off
w/
> > >ducktape perhaps really restrict the engine's ability to pull in air?
> > >
> > >TIA,
> > >Phil
> > >
> > >
> > >
> > >--
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> >
> >
> >
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