replace brake line
A possible leak somewhere from one of the hoses. Likewise the leak could be coming down the engine firewall. I never owned a Audi. Wouldn't even purchase one.
use leak stop or something. Where is your oil leak?
City - 1990 The Big Leak 1-6 was released on: USA: 12 March 1990
no. Audi uses a CHF type fluid, and is incompatible with an ATF type fluid like the lucas PSSL
Yes they could leak.
you can take oil and put it where you suspect there to be a vacuum leak. If there is a leak the oil will be pulled into the engine or hose
With an electronic leak detector or fluorescent dye.With an electronic leak detector or fluorescent dye.
It is very possible that the Audi has a vacuum leak. Check all of the vacuum lines for any leaks or cracks.
The most common cause of problems like this is a boost leak. Buy a boost leak tester.
Roughly 500usd labor excluding parts
it is the powering steering pump and or PS fliud leak
replace the glass or get window sealant