Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Front Brake Disc Inspection: Runout
- Raise the vehicle on a lift (see LIFT AND SUPPORT POINTS ).
- Remove the front wheels.
- Remove the brake pads (see REPLACEMENTΒ ).
- Inspect the brake disc surface for damage and cracks. Clean the brake disc thoroughly, and remove all rust.
- 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.
- 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:Β
Service limit: 0.04 mm (0.0016 in)Β
- 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)Β
NOTE:- If the brake disc is beyond the service limit for refinishing, replace it (see FRONT BRAKE DISC REPLACEMENTΒ ).
- 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.
- Install the brake pads (see REPLACEMENTΒ ).
- Clean the mating surfaces of the brake disc and the inside of the wheel, then install the front wheels.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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