hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
82,100 miles

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problem #1

Aug 152007

S4 6-cyl

  • Manual transmission
  • 82,100 miles
Brake booster check valve fails causing vac hose feeding to booster unit to become totally separated from valve. Result is no brake assist. This happened to me in my 2001 Audi S4!!!! at highway speed!

- Lexington, KY, USA