OEM GMC Sierra 3500 Brake Drum

GMC Sierra 3500 Brake Drum Parts Questions & Experts Answers

• Brake Drum
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  Q: How to service and repair the brake drum on GMC Sierra 3500?

  A: To fix the brake drum you will need an Rotor Resurfacing Kit (J41013) along with your other tools. Drums should stay untouched during brake service operations although customers might complain about brake noise, lining deterioration, cosmetic surface damage, or discolored brake surface. Refinish the brake drum parts when there is deep damage to the braking surface or vibration caused by quality issues like out-of-round configuration or surface pitting/errosion. Start with a micrometer to check the largest drum diameter; if it hits the maximum refinish limit replace the drum before repairing. Before moving forward use the Rotor Resurfacing Kit J41013 or similar product to scrape rust off the brake drum flange completely. Working with a well-done braking surface helps drivers control their vehicles during stops effectively. Following processing take a non-directional sanding approach on 120 grit aluminum oxide sandpaper followed by cleaning the braking surfaces with brake parts cleaner according to part number specification GM-P/N 12377981 or Canadian-P/N 10953463.