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marlow
marlow 10/11/2012
2008 Toyota RAV4 Limited 4Cyl2.4L - Brakes
What causes the brake booster to leak
The brake booster leaking air
1 Answer
  • CVO
    CVO 10/11/2012
    Broken diaphragm is the cause of the brake booster to leak.
    A bad master cylinder can leak fluid into the booster. Brake fluid can deteriorate the diaphragm causing failure.
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