>>I've also heard, that ordinary heater hose works-- I don't have to use
>>the hugely expensive ribbed vacuum hose, so the story goes. I will get
>>the 1/2" heater hose, and give it a try. It IS pretty stout looking.
>
>I tried experimenting with various hoses and solicited the group for
>opinions while I was resurrecting my power brakes last month.  I would NOT
>use regular heater hose since there is a chance it might collapse and
>surprise you one day while braking.  I am using Wire Reinforced 1/2" heater
>hose (made by Gates--a.k.a. shape to fit hose).  It's as tough as the VW
>vacuum hose but much cheaper.

Where did you get it?

>It's a good idea to get a new rubber grommet on the firewall where the
>vacuum hose passes through if yours is missing/dried out.  The metal edge 
on
>the hole in the firewall could saw through your hose with all the engine
>vibration.

Was this from VW? Or aftermarket, or HW store etc?