Troubleshooting: Brake Fluid Leak

Problem

Brake fluid is leaking from the rear of the brake master cylinder bore

Likely Cause

  • Brake master cylinder seals are damaged and leaking
  • Vacuum booster input seal and/or pushrod misalignment

Solutions

  • Check if vacuum booster input seal and pushrod are properly aligned
  • Replace slide pin boots and sleeves
  • Replace a brake master cylinder if necessary
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