NAC484D.100. Condition of brake system: General standards.

     1. All hydraulic brake systems must be free of leaks and capable of maintaining a constant service brake pedal height without further decrease after initial application, when a continuous force of 125 pounds has been applied to the service brake pedal for at least 10 seconds.

     2. Unless otherwise specified by the manufacturer, every motor vehicle must have a pedal reserve of 20 percent or more of the total possible travel.

     3. The miscellaneous brake system components, controls and devices must be complete, properly installed and free from damage or extreme wear that could cause brake failure.

     4. All of the springs, holddowns, struts, links, clips and pins used on both drum and disc brakes must be properly installed.

     5. Drum brake backing plates and disc brake calipers or caliper adapters must be securely fastened to the steering knuckles or axle housings.

     6. Hydraulic brake system hoses, except rub rings or other protective devices around the hose, must be free from wear and contact with the chassis, suspension or wheels in any wheel position.

     7. Hydraulic brake system hoses, lines or fittings may not:

     (a) Be made of copper tubing; or

     (b) Be broken, chafed, cut, cracked, damaged, flattened, kinked, seeping or have other defects that could cause hydraulic system failure.

     8. All self-adjusters must be properly installed and operational.

     9. The power brake vacuum booster must operate in the proper manner to supply the braking assist required at the brake pedal and be free from vacuum leaks.

     10. Power brake vacuum hoses may not be broken, collapsed, deteriorated, leaking, loose, restricted or so severely worn as to impair power brake operation.

     11. The brake system failure indicator, which is a warning light, may be operational and not otherwise illuminate except during the period when:

     (a) The ignition switch is turned to the “Start” position;

     (b) The ignition switch is in the “On” position and the parking brake is applied; or

     (c) The warning light test indicator is activated.

     12. Brake cables may not be severely worn, ragged, raveled or have other damage that could cause brake system failure.

     [Dep’t of Motor Veh., Standards for Brakes Reg. § V subsec. A, eff. 1-21-76]—(Substituted in revision for NAC 484.100)