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Home >> Chevrolet >> 2005 >> Aveo Base, 4D Hatchback >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Drum Brake System >> Diagnostic Information and Procedures >> Brake Drum Surface and Wear Inspection >> Inspection Procedure

Inspection Procedure

  1. Remove the brake drum. Refer to Brake Drum Replacement .
  2. Clean the drum.
  3. Inspect the drum for cracks or damage.
    4. Fig 1: Measuring The Inside Diameter of Drum
    GM1241951Courtesy of GENERAL MOTORS CORP.
  4. Measure the inside diameter of the drum.

    Specification:  The maximum inner diameter of the drum is 201 mm (7.91 in).

  5. If the inner diameter of the drum is greater than the specification, replace the drum.
  6. Measure the radial runout of the drum.

    Specification:  The maximum radial runout of the drum is 0.04 mm (0.002 in)

  7. Install the drum. Refer to Brake Drum Replacement .
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