Re: wayward vacuum line: 1988 16v

[16v Jason <jason@scirocco.org>]

Victor,
	That hose should go right past the battery and then will probably be
hanging there. :)
	I'm assuming your intake system is not totally intact-- most of us have
drilled the box and/or removed the warm-up box thingy on it.  If so, that's
your reason.  Before entering the airbox, intake air originally entered a
box with a flap in it that was also connected via another hose to the back
of the exhaust manifold.  When the engine was cold, the flap was
shut/open/whatever, and the engine sucked in air from near the manifold to
help it warm up more quickly.  I yanked mine and noticed no difference in
cold weather driveability...
	If your car also has had its little box removed, just plug up that vacuum
line and forget about it.... If it's not connected to anything now, you're
running lean, and you will no doubt notice a little increase in power and
running smoothness when you plug it.

	Jason



At 08:38 AM 8/2/99 , Victor Farren wrote:
>I have a vacuum line that I can't find where it connects to.  I have
>an 1988 16v.  There are 2 vacuum lines that originate from the rubber
>air intake boot, right before it connects to the throttle body.  One
>of the lines is short, and connects to a series of lines right behind
>the intake manifold--no problems here.  
>
>The other line is long, and according to the schematic diagram under
>my hood, it connects to the "on/off" valve which seems to be located
>near cold air intake underneath the air box.  I looked for a long time
>around the airbox for the on/off valve (looks like a flying saucer for
>lack of a better description) but couldn't find it.  On my friends 16v
>GTI the on/off valve is below the airbox near the front of the engine
>bay.  One end of the line connects to the "on/off" valve and then
>another line runs out of the valve and connects to a charcoal
>canister.
>
>Please don't tell me the on/off valve is located w/ the charcoal
>canister behind the drivers side fender.
>
>In any case, I can't fiind the on/off valve anywhere!  Any help is
>appreciated.
>
>Victor
>
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----------
1987 Scirocco 16v
1989 Mercedes 190E Sport Euro


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