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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1366 (Drum Brake System) >> Repair Instructions >> Brake Drum Refinishing >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

J 41013  Rotor Resurfacing Kit

IMPORTANT: Do NOT refinish the brake drums in order to correct any of the following complaints:
  • Brake noise (growl/squeal)
  • Premature brake lining wear
  • Cosmetic or superficial corrosion of the drum braking surface
  • Drum discoloration

Refinish the brake drums ONLY when one or more of the following conditions exist:
  • Severe scoring of the drum braking surface (groove depth in excess of specification)
  • Brake pulsation caused by the following:
    • Brake drum out of round (runout in excess of specification)
    • Corrosion or pitting that is deeper than the drum braking surface
  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 J 41013  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. IMPORTANT: Failure to obtain the best possible braking surface finish may cause the vehicle to stop with difficulty.
  5. After machining the brake drum, use 120 grit aluminum oxide sandpaper in order to create a non-directional braking surface.
  6. Clean the braking surfaces with GM P/N 12377981 (Canadian P/N 10953463) or equivalent brake parts cleaner.