Nissan 40206-ZC01A Rotor Disc Brake Front

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Begin by loosening the wheel lug nuts, raising the vehicle, and safely supporting it on jackstands, followed by wheel removal in order to carry out brake system inspection. Check carefully for score marks, cracks or other damage on the disc surface while considering small scratches and shallow grooves as normal wear and tear. Nevertheless, more significant score marks or cracks may require disc replacement or refinishing. Disc runout is measured using a dial indicator where any measurement over 0.003 inch may cause brake pedal pulsation and necessitate refinishing or replacement. Ensure that the refinish thickness of the disc is above the minimum specified refinish thickness inscribed on the disc itself. When removing and installing, mark the disc's position relative to the hub before removal, next clean thoroughly both the hub flange and inside of brake disc to remove rust or corrosion before installing disc . In addition to this, when installing front calipers, also install new bolts for caliper mounting bracket and attach brake pads together with caliper later. All mounting bolts should be tightened to their recommended torque values; then after reinstalling wheels with lug nuts being tightened as per specification, lower vehicle and depress pedal so that pads contact with disk. However Brake bleeding will only be required if a brake hose or line had been disconnected from a caliper so please check brake operation carefully before returning vehicle to normal use.

When inspecting the disc surface, you should carefully check for score marks, cracks, or any other damage. Minor scratches and shallow grooves are often normal wear, but deep score marks or cracks may require disc refinishing or replacement.