[Vwdiesel] TDI BEW intake manifold flapper

[dieseltdi at verizon.net]

If that is what he is talking about then it is part of the system that  
was implemented to alleviate the problem of the intakes gumming up.   
My guess is that by increasing the velocity of the intake air,  
especially during high EGR settings, this would probably pull the soot  
and any oil into the cylinders instead of staying in the intake.  The  
intake on the BEW is also much shorter and straighter than the ALH and  
AHU manifolds.  Hayden

On Aug 1, 2010, at 8:20 PM, brian gochnauer wrote:

> Travis isn't talking about the shudder valve at the beginning of the  
> intake
> housing; when he says "near the head on the intake manifold on my 04  
> golf
> BEW engine", key words are "near the head" means at the end of the  
> intake
> run.
> On my Jetta w/BEW too; there is a small butterfly like valve that  
> can cover
> about 1/3 of each intake port right at the bolts to the cylinder head.
> I'm sure it is to increase the velocity of the air but to what end  
> I'm not
> sure; on a gasser it would be for low end torque but the doesn't  
> seem really
> seem plausible on a diesel.
>
> I've heard on some of the other forums that it can be disconnected  
> (plug the
> vacuum actuator) without consequence.
>
> Brian G
> Iowa
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