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Brake Fluid Loss

  1. Were you sent here from SYMPTOMS - HYDRAULIC BRAKES? If so, go to next step. If not, go to DIAGNOSTIC STARTING POINT HYDRAULIC BRAKES  under TROUBLE SHOOTING.
  2. Inspect the hydraulic brake system for proper operation. See HYDRAULIC BRAKE SYSTEM  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  7 . If not, go to next step.
  3. Inspect the disc brake system for proper operation. See DISC BRAKE SYSTEM  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  7 . If not, go to next step.
  4. Inspect the drum brake system, if equipped, for proper operation. See DRUM BRAKE SYSTEM  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  7 . If not, go to next step.
  5. Separate the master cylinder from the vacuum brake booster. Do not disconnect any brake pipes. See MASTER CYLINDER  under REMOVAL & INSTALLATION. Inspect the rear of the master cylinder for a brake fluid leak. Inspect for brake fluid in the vacuum brake booster. Did you find a brake fluid leak? If so, go to next step. If not, go to DIAGNOSTIC STARTING POINT HYDRAULIC BRAKES  under TROUBLE SHOOTING.
  6. Replace the brake master cylinder and the vacuum brake booster. See MASTER CYLINDER  , VACUUM BRAKE BOOSTER  under REMOVAL & INSTALLATION. After repairs are complete, go to next step.
  7. Install or connect components that were removed or disconnected during diagnosis. Road test the vehicle to confirm proper operation. Is the condition still present? If so, go to step  2 . If not, system is okay.
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