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Brake Pipe & Hose Inspection

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, and 2003 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Prior to performing any work, review warnings, cautions and notes. See ADJUSTMENTS & INSPECTIONS WARNINGS, CAUTIONS & NOTES  under SERVICE PRECAUTIONS.
  1. Visually inspect all of the brake pipes for kinks, improper routing, missing or damaged retainers, leaking fittings and excessive corrosion.
  2. If any of the brake pipes exhibited any of the conditions listed, then the identified pipe, or pipes, require replacement. See BRAKE PIPE  under REMOVAL & INSTALLATION.
  3. Ensure that the vehicle axles are properly supported at ride height in order to maintain the proper relationship of the flexible brake hoses to the chassis.
  4. Visually inspect all of the flexible brake hoses for kinks, improper routing, twists, chafing, missing or damaged retainers, leaking connections, cracking, dry-rot, blisters or bulges.
  5. If any of the flexible brake hoses exhibited any of the conditions listed, then the identified flexible brake hose, or hoses require replacement. See BRAKE HOSE  under REMOVAL & INSTALLATION.
  6. Squeeze the flexible brake hoses with firm finger pressure to check for soft spots, indicating an internal restriction. Check the entire length of each flexible brake hose.
  7. If any of the flexible brake hoses were found to have soft spots, then the identified flexible brake hose, or hoses require replacement. See BRAKE HOSE  under REMOVAL & INSTALLATION.
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