WUR doesn't have a vacuum pipe plumbed in?

As per title, it doesn't have a vacuum line plugged into it.

It has a rubber bung over the inlet. It supposed to have a vacuum right? I read that the vacuum tells the WUR to richen the mixture under acceleration, is this right?

Cheers.

oh, car is 89' Mk2 Golf Valver.

 

There should be another port on the side that has the vacuum connection on it. The one on the front is just a vent with a protective cap.

 

good point ,id like to know this too
here is a pic of the wur vac pipe and bung,this is how its normally set up

 

that is correct, it richens mixture under full throttle

 

And if I opened my bloody eyes, I would have seen the rubber pipe coming off the side of it. DOH!

Cheers guys. Sorry!

 

I lost the protective cap yesterday... is that really important? there is any risk of driving the car without it???

 

No, just protects it from the elements! put a bit of tape over it if your concearned

 

thanks ++


why is it there anyway?

 

dont put tape over it.... then you block the hole and it cant suck the plunger as the area behind is is now sealed.

have a look in the scrappy etc for a new cover, or run with out... or find something else to go over it... so long as it doesnt seel the hole up its fine.