[Vwdiesel] torque drop in warm weather, was....

Nate Wall natewall1 at yahoo.com
Tue Apr 15 08:07:08 EDT 2003

Is this alternate "hole" actually another air passage?
I think mt TD air box has a molding for this, but not
punched all the way through. Perhaps this air box also
is used for some gas engine applications.

--- Scott Kair <scott3491 at insightbb.com> wrote:
>      A timely thread.  When I was changing my air
> filter over the weekend I
> looked over the air box on my 92 Jetta ECO.  Very
> interesting arrangement.
>     One inlet seems to be from the grill.  There
> didn't seem to be much
> deterioration of the foam seal around it, as
> mentioned previously.  But
> there was also some sort of intake horn pointing
> towards the rear of the
> engine, towards the exhaust manifold.  It ends in
> the filter box at a
> spring-loaded door.
>     Bentley didn't seem to mention it.  What would
> this one be for- a heated
> air intake?  Perhaps the intention is to allow
> supplemental intake under
> load?  I'd attributed power loss above 85F to
> running the a/c, but this has
> me wondering.
>     TIA
>     Scott Kair
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