Tuttamore_Design

1/4-20 Bolt

1/4-20 Nut

3D Printed Rear Brake Caliper Retractor Tool – Assembly & Usage Instructions.pdf

cover

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.25 Drive

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.375 Drive

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.5 Drive

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All 3 Sizes

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🖨️ Printing Instructions:<ul><li>Recommended Filament: PETG or stronger (PLA for light-duty use)</li><li>Layer Height: 0.2 mm</li><li>Infill: 40%–60%</li><li>Supports: Not required</li><li>Orientation: Lay flat with large surface down for best strength</li><li>Wall Count: 3+</li><li>Nozzle Size: 0.4 mm standard</li></ul>

0.2mm layer, 3 walls, 40% infill

🖨️ Printing Instructions:<ul><li>Recommended Filament: PETG or stronger (PLA for light-duty use)</li><li>Layer Height: 0.2 mm</li><li>Infill: 10% (must use pry bar or like tool to break loose the piston first)</li><li>Supports: Not required</li><li>Orientation: Lay flat with large surface down for best strength</li><li>Wall Count: 3+</li><li>Nozzle Size: 0.4 mm standard</li></ul>

0.2mm layer, 3 walls, 10% infill

<boostme><boosttitle>Boost Me</boosttitle><boostcontent>This is my first model on maker world. If you would be so kind as to give it a boost I would greatly appreciate it. </boostcontent></boostme>This is a 3D printable Screw-Type Rear Brake Caliper Piston Retractor Tool designed for the 2020 Chevy Silverado and other GM vehicles with rotating-style rear brake pistons. The tool helps compress the piston during brake pad replacement.Design Details:<ul><li>Uses standard 1/4-20 bolts and nuts for the pin arms (hardware not included)</li><li>Accepts 1/4&#34;, 3/8&#34;, or 1/2&#34; drive ratchet and extensions for torque input</li><li>No supports needed</li><li>Can be printed in PLA, PETG, or stronger filaments like ABS/ASA or Nylon for higher durability</li><li>Tested with PETG</li></ul>Included Files:<ul><li>STL (ready to print)</li><li>CAD (for customization)</li><li>3MF (optional for slicer presets)</li></ul>Notes:<ul><li>Optimized for strength with minimal material waste</li><li>Check thread fit and adjust bolt tolerances if needed depending on printer calibration</li><li>Ideal layer height: 0.2 mm</li><li>Infill recommendation: 40% or higher for stress-bearing parts</li><li>Tested at 10% infill, for this method you need to break loose the piston first using a pry bar between the bolts on the tool.</li></ul>This tool is a practical solution for DIY brake maintenance without expensive specialty tools. Feedback and remixes welcome.&nbsp;Edited: Added the Boost button and made the file Free of Restrictions. If you do anything beyond personal use, please give attribution to Tuttamore Designs, because it&#39;s the nice thing to do. Be Blessed!

Silverado Rear Brake Caliper Piston Retractor Tool

ASIA

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