Utah Admin. Code R714-160-12 - Brakes
(1) Safety inspection stations are not
required to use a computerized brake testing device as a mandatory piece of
inspection equipment.
(2) When
using a plate brake tester, Safety inspection stations and inspectors shall:
(a) follow the equipment manufacturer
procedures for testing;
(b) be
certified by the equipment manufacturer or an authorized agent of the
division;
(c) renew the inspector
certification every three years;
(d) display the inspector certification card
for the equipment being used in a prominent location;
(e) display the computerized brake testing
equipment certification in a prominent location;
(f) ensure the manufacturer has certified the
equipment annually;
(g) pull two
wheels upon the failure of the plate brake test to check brake components; and
(i) issue a rejection inspection certificate
on vehicles failing the plate brake test, even if the vehicle has adequate pad
and or shoe thickness;
(h) complete a visual two-wheel inspection of
brake components when requested by a customer; and
(i) display at the station a sign in a
conspicuous location with the following components:
(i) the sign must be 14 x 24
inches;
(ii) lettering shall be one
inch in vertical height and not less than one quarter of an inch in width;
and
(iii) the sign must contain a
statement with the Station name and station number followed by the quotation
"only uses a computerized plate brake tester to inspect the braking system
efficiency of a vehicle for a safety inspection. This test does not measure
brake lining thickness or condition of the drum / rotor; however, at the
customer's request, we will pull two wheels for a visual check of the braking
system (per Utah Safety Inspection requirements)".
(j) If the vehicle failed on a plate brake
tester, then it must pass safety inspection on a plate brake
tester.
(3) When
conducting a visual inspection of a vehicle's brake system, the inspector
shall:
(a) remove at least one front and one
rear wheel for a brake inspection on all vehicles less than 10,000 pounds GVWR;
(i) vehicles over 10,000 pounds GVWR are not
required to have wheels pulled if the vehicle is equipped with inspection
ports/slots; and
(b)
inspect the brake drum, linings, pads, discs, calipers, and the condition of
all mechanical components;
(i) visual
inspection through the wheel openings is not an approved inspection procedure;
and
(ii) adjustment slots are not
adequate for inspecting brakes or if the vehicle has open brake
drums.
(4)
When inspecting the hydraulic brake system of a vehicle, the inspector shall:
(a) test the pedal reserve according to the
manufacture's specifications; and
(i) issue a
rejection inspection certificate when there is less than 20% of the total
available pedal travel when the brakes are fully applied;
(b) check the wheel cylinders for leakage;
and
(i) issue a rejection inspection
certificate when any wheel cylinders leak;
(c) inspect hydraulic hoses and tubes for
exposed fabric cord, flattened, restricted, or unsecured lines; and
(i) issue a rejection inspection certificate
when hoses or tubing are cracked, leaking, or show exposed fabric cord,
flattened, restricted, or are unsecured; or
(ii) brake hoses are not DOT approved or have
been altered; and
(d)
inspect master cylinder for leakage and fluid level; and
(i) issue a rejection inspection certificate
when:
(A) master cylinder leaks or fails to
operate properly;
(B) master
cylinder is below the add line or less than 3/4 full, whichever is less;
or
(C) master cylinder gasket is
damaged.
(5) When inspecting the dual hydraulic
circuits of a vehicle, the inspector shall:
(a) check any vehicles equipped with a brake
warning light and test for operation of light; and
(i) issue a rejection inspection certificate
when:
(A) a warning light remains illuminated
or comes on when brake pedal is depressed; or
(B) a warning light does not operate when
required.
(6) When inspecting brakes with vacuum assist
of a vehicle, the inspector shall:
(a) check
the condition of vacuum system for collapsed, broken, badly chafed, improperly
supported tubes, and loose or broken hose clamps; and
(i) issue a rejection inspection certificate
when:
(A) hoses, tubes, or booster are
leaking;
(B) the system is
collapsed, broken, badly chafed, showing metal or fabric cord;
(C) the system is improperly supported or
loose; or
(D) hoses or tubes are
exposed to damage from excessive heat, debris, or rubbing; and
(b) determine if the
system is operating by turning off engine and depressing the brake pedal
several times to deplete all vacuum in the system, and then starting the engine
while maintaining pedal force and observe if the pedal falls slightly when the
engine starts; and
(i) issue a rejection
inspection certificate when the service brake pedal does not fall slightly as
engine is started and while pressure is maintained on pedal.
(7) When inspecting
brakes with a hydraulic booster of a vehicle, the inspector shall:
(a) check the integrated hydraulic booster;
and
(i) issue a rejection inspection
certificate when:
(A) the brake pedal does not
move down slightly as the pump builds pressure; or
(B) the brake warning lights remain on longer
than 60 seconds; and
(b) check the braking system, while fully
charged, for leaks and proper fluid levels; and
(i) issue a rejection inspection certificate
when:
(A) fluid reservoir is below the add
line or less than 3/4 full, whichever is less;
(B) braking system has broken, kinked or
restricted fluid lines or hoses; or
(C) braking system has any leakage of fluid
at the pump or brake booster, or on any of the lines or hoses in the
system.
(8) When inspecting brake drums of a vehicle,
the inspector shall:
(a) check the condition
of the drum friction surface for damage, contamination, and substantial cracks;
and
(i) issue a rejection inspection
certificate when:
(A) there are substantial
cracks, other than short hairline heat cracks, on the friction surface
extending to the open edge of the drum; or
(B) any part of the brake drum missing or is
in danger of falling away;
(ii) a vehicle may pass inspection with short
hairline heat cracks;
(b) check for cracks on the outside of drum;
and
(i) issue a rejection inspection
certificate when a brake drum has external cracks, other than short hairline
cracks;
(c) check for
mechanical damage; and
(i) issue a rejection
inspection certificate when there is evidence of mechanical damage other than
wear;
(d) check for
leaks at all grease or oil seals; and
(i)
issue a rejection inspection certificate when the leakage of oil, grease, or
brake fluid contaminates the brake components; and
(e) check the drum diameter; and
(i) issue a rejection inspection certificate
when the drum is turned or worn beyond the manufacturer's
specifications.
(9) When inspecting brake rotors of a
vehicle, the inspector shall:
(a) check the
condition of the rotor friction surface for substantial cracks; and
(i) issue a rejection inspection certificate
when:
(A) there are substantial cracks, other
than short hairline cracks, on the friction surface extending to open edge of
rotor;
(B) the friction surface is
contaminated with oil or grease; or
(C) any part of the brake rotor is missing or
is in danger of falling away; and
(b) check the rotor thickness; and
(i) issue a rejection inspection certificate
when the rotor thickness is less than the manufacturer's
specifications.
(10) When inspecting the bonded lining and
pads of a vehicle, the inspector shall:
(a)
check the primary and secondary lining thickness at the thinnest point; and
(i) advise the customer when the lining
thickness is worn to 2/32 inch; or
(ii) issue a rejection inspection certificate
when the lining thickness is worn to less than 2/32 inch.
(11) When inspecting the riveted
lining and pads of a vehicle, the inspector shall:
(a) check for loose or missing rivets; and
(i) issue a rejection inspection certificate
when:
(A) any rivets are loose or missing;
or
(B) the lining thickness is worn
to less than 2/32 inch; and
(b) check the primary and secondary lining
thickness above the rivet head by measuring at the thinnest point with the
calipers removed; and
(i) issue a rejection
inspection certificate when the lining thickness is less than 2/32 inch above
any rivet head.
(12) When inspecting the brake linings of a
vehicle, the inspector shall:
(a) check for
broken or cracked linings; and
(i) issue a
rejection inspection certificate when the linings are broken, cracked, or not
firmly and completely attached to shoe;
(b) check for contamination of the friction
surface; and
(i) issue a rejection inspection
certificate when the friction surface is contaminated with oil, grease, or
brake fluid;
(ii) once a brake
lining has been contaminated, replacement is required; and
(c) check for uneven lining wear; and
(i) advise the customer when the lining is
uneven or grooved.
(13) When inspecting the mechanical brake
components of a vehicle, the inspector shall:
(a) check for missing or defective mechanical
components; and
(i) issue a rejection
inspection certificate when mechanical parts are missing, incompatible, broken,
or badly worn;
(b) check
for frozen calipers, rusted or inoperative components, missing spring clips,
and defective grease retainers; and
(i) issue
a rejection inspection certificate when:
(A)
any mechanical parts are frozen, inoperative, missing, or defective;
or
(B) the backing plate or brake
shoe is damaged, restricting free movement of the brake shoe; and
(c) check for
restriction of shoe movement at the backing plate and for binding between the
brake shoe and anchor pins; and
(i) issue a
rejection inspection certificate when the shoes and anchor pins are improperly
positioned or misaligned.
(14) When inspecting the parking brake of a
vehicle, the inspector shall:
(a) check
holding ability; and
(i) issue a rejection
inspection certificate when the parking brake does not operate or fails to hold
the vehicle; and
(b)
check the ratchet or the locking device; and
(i) issue a rejection inspection certificate
when the ratchet, pawl or other locking device fails to hold the brake in an
applied position.
(15) When inspecting the Anti-Lock Brakes
(ABS) of a vehicle, the inspector shall:
(a)
check the ABS warning light and system for proper operation; and
(i) advise the customer when:
(A) the ABS light fails to light, fails to
shut off after 60 seconds, or when 5 rapid beeps are heard when ignition switch
is turned to the on position; or
(B) ABS components are broken, missing, or
disconnected.
Notes
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