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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Disc Brakes & Drum Brakes) >> Adjustments & Inspections >> Drum Brake System >> Drum Brake Refinishing

Drum Brake Refinishing

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Required Tools: Rotor Resurfacing Kit (J-41013).
  1. Use a micrometer in order to measure the largest diameter of the brake drum. If the largest diameter of the brake drum exceeds the brake drum maximum refinish diameter, do NOT refinish the brake drum. Replace the brake drum.
  2. Use the Rotor Resurfacing Kit or an equivalent tool in order to THOROUGHLY clean the rust from the brake drum flange.
  3. Refinish the brake drum. Refer to the brake lathe manufacturer's operating instructions.
  4. After machining the brake drum, use 120 grit aluminum oxide sandpaper in order to create a non-directional braking surface.
  5. Clean the braking surfaces with GM P/N 12377981 or equivalent brake parts cleaner.
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