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vaccum leak

  1. Removing Brake Booster on 2008 2.8T 9-3 CV???

    9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hi All, Like many of you I have been having ongoing issues related to braking performance with my 9-3 Aero V6. After doing a bunch of diagnostics I was able to isolate the cause of my vacuum leak in the brake booster circuit and the answer is not good...the booster itself is leaking vacuum...
  2. Issues, legitimen help is appreciated

    9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    :confused: I installed my intake i felt the drastic power increase instantly the next day it was back to stock like the ecu didnt learn it and went back to slow ? lol in addition to that my factory BPV is deffinetly broken because its not making the crisp whistle psh sound that it was before and...
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