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Home >> Pontiac >> 2006 >> Vibe Base, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Disc Brake System >> Repair Instructions >> Brake Rotor Assembled Lateral Runout (LRO) Correction >> Adjustment Procedure

Adjustment Procedure

    IMPORTANT: Brake rotor thickness variation greater than the specification can cause brake pulsation.
  1. Measure the brake rotor thickness variation. Refer to Brake Rotor Thickness Variation Measurement .
    2. Fig 1: Checking Brake Rotor Runout
    GM693343Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Brake rotor assembled lateral runout (LRO) greater than the specification can cause brake pulsation.
  2. Measure the brake rotor LRO. Refer to Brake Rotor Assembled Lateral Runout (LRO) Measurement .
  3. If the LRO exceeds the specification by less than 0.127 mm (0.005 in), index the rotor in order to reduce the LRO to the specification. Refer to Brake Rotor Assembled Lateral Runout (LRO) Correction - Indexing .
  4. If the LRO exceeds the specification by more than 0.127 mm (0.005 in), use an on-vehicle lathe in order to reduce the LRO to the specification. Refer to Brake Rotor Assembled Lateral Runout (LRO) Correction - On-Vehicle Lathe .
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