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Brake Fluid Loss

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Were you sent here from the Hydraulic Brake Symptom table? If so, go to next step. If not, go to DIAGNOSTIC STARTING POINT  under TROUBLE SHOOTING.
  2. Inspect the hydraulic brake system for proper operation. See HYDRAULIC BRAKE SYSTEM DIAGNOSIS  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  6 . If not, go to next step.
  3. Inspect the disc brake system for proper operation. See DISC BRAKE SYSTEM DIAGNOSIS  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  6 . If not, go to next step.
  4. Separate the master cylinder from the power 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 power brake booster. Did you find a brake fluid leak? If so, go to next step. If not, go to DIAGNOSTIC STARTING POINT  under TROUBLE SHOOTING.
  5. Replace the brake master cylinder and the power brake booster. See MASTER CYLINDER  & POWER BRAKE BOOSTER  under REMOVAL & INSTALLATION. After repairs are complete, go to next step. If not, go to step.
  6. Install or connect components that were removed or disconnected during diagnosis. Road test the vehicle to confirm proper operation. See BRAKE SYSTEM VEHICLE ROAD TEST  under TROUBLE SHOOTING. Is the condition still present? If so, go to step  2 . If not, system is okay.
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