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
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.
Hydraulic brake system hoses, lines or
fittings may not:
(a) Be made of copper
(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.
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
10. Power brake vacuum hoses
may not be broken, collapsed, deteriorated, leaking, loose, restricted or so
severely worn as to impair power brake operation.
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
cables may not be severely worn, ragged, raveled or have other damage that
could cause brake system failure.