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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 726 (CONVENTIONAL BRAKE COMPONENTS)CONVENTIONAL BRAKE COMPONENTSFRONT BRAKE DISC INSPECTIONRUNOUT
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Front Brake Disc Inspection: Runout

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Runout
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle on a lift (see LIFT AND SUPPORT POINTS ).
  2. Remove the front wheels.
  3. Remove the brake pads (see REPLACEMENT  ).
  4. Inspect the brake disc surface for damage and cracks. Clean the brake disc thoroughly, and remove all rust.
  5. Install suitable flat washers (A) and the wheel nuts (B), and tighten the wheel nuts to the specified torque to hold the brake disc securely against 1 he hub.
    Fig 1: Installing Suitable Flat Washers And Wheel Nuts With Torque Specifications
    G06430706Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Set up the dial gauge against the brake disc as shown, and measure the runout at 10 mm (3/8 in) from the outer edge of the brake disc.

    Brake disc runout: 

    Service limit: 0.04 mm (0.0016 in) 

  7. If the brake disc is beyond the service limit, refinish the brake disc with a Honda-approved commercially available on-car brake lathe.

    Max. refinishing limit: 19.0 mm (0.75 in) 

    NOTE:
    • If the brake disc is beyond the service limit for refinishing, replace it (see FRONT BRAKE DISC REPLACEMENT  ).
    • If the brake disc is replaced with a new one, check the new disc for runout. If the new disc is out of specification, refinish the disc.
  8. Install the brake pads (see REPLACEMENT  ).
  9. Clean the mating surfaces of the brake disc and the inside of the wheel, then install the front wheels.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.