any experience with vacuum assist brakes

[Kneale Brownson]

I've read in the past about vacuum boosters needing to be scrapped if they 
develop leaks because there was no repair.  I wouldn't be surprised about a 
vacuum leak in an assembly that's more than 17 years old.


At 06:18 PM 12/03/2000 -0600, Nicholas  Lawrence wrote:

>I just installed a vacuum assist on my '90 TQW and am getting no brake
>assist.  I have vacuum at the port on the booster and I believe I can hear a
>leak coming from the the booster.  Plugging the line to the booster does
>change engine idle which I think further points to leak.
>Other than removing all parts from donor car I don't know any history.
>Parts came from '83 5K.    Do theses boosters have a history of leaking with
>age?  Any point in taking it apart?  TIA
>Nick
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