New York Codes, Rules and Regulations › Title 15 - Department of Motor Vehicles › Chapter I - REGULATIONS OF THE COMMISSIONER › Subchapter F - BUSINESSES REQUIRING LICENSES › Part 79 - Motor Vehicle Inspection › Section 79.27 - Heavy vehicle inspection

Current through Register Vol. 46, No. 28, July 10, 2024
This section comprises the safety inspection or the safety
					 portion of a safety and emissions inspection for all motor vehicles that have a
					 seating capacity, as indicated on the vehicle registration certificate, over 14
					 passengers, all motor vehicles and trailers that have a MGW, as indicated on
					 the vehicle registration certificate, over 18,000 pounds, those motor vehicles
					 and trailers that have a MGW, as indicated on the vehicle registration
					 certificate, over 10,000 pounds and under 18,001 pounds, when the registrant
					 requests a heavy vehicle inspection, and all semi-trailers.
Note 1:
Any additional axle or axles (tag axles) on a vehicle must
					 be inspected in the road position.
(a)
Tires.
Inspect
								for:
Reject
								if:
1.
Approved type
1.
Any
								tire:
- is not DOT approved;
- is marked for restricted use such as:
- for farm use only;
- for temporary use;
- not for highway use, or other marking having like
								meaning;
- excluded from use on a steering axle; or
- the tire size designation is proceeded by a "
								T".
- No bus may have a recapped, retread or regrooved
								tire on the steering axle.
2.
Condition
A. Casing
A. Any tire:
- is in contact with body or frame of vehicle;
- is flat;
- has a fabric break or cut to the extent that the
								ply or cord is exposed;
- has a bump, bulge or knot indicating partial
								failure of the tire structure;
- has been repaired with a boot or blowout patch;
								or
- shows tread or recap separation.
B. Tread (All tread measurements must be taken in
								the two adjacent major tread grooves showing the most wear)
B. Tread
								on:
i. Front steering axle tires
i. Any front
								steering axle tire:
- is regrooved;
- has less than 
								4/32
								tread.
ii. Other tires
ii. Any other tire has less
								than 
								2/32
								tread.
C. Valve stem
C. The valve stem is:
- cracked;
- chafed from contact with the spider or rim;
- in contact with brake drum;
- inaccessible for taking pressure readings.
D. Tire pressure Check tire pressure
D.
								Advise customer if the tire pressure is not within range recommended by vehicle
								manufacturer.
Note:
Tire pressure check is an advisory only,
								do not reject the vehicle. The customer must be notified in writing.
(b)
Wheels or rims.
Inspect
								for:
Reject if:
1.
Condition
A. Rim or wheel
A. The rim or wheel:
- and lock ring are mismatched;
- is cracked;
- is bent;
- is sprung;
- has other damage;
- shows evidence of slippage on the spider;
- stud holes are elongated;
- clamps are missing or damaged;
- or welded repairs have been made.
B. Mounting (bolts, nuts or stud)
B. Any fastener is:
- broken;
- missing;
- damaged;
- loose.
(c)
Steering.
Inspect
								for:
Reject
								if:
1.
Steering wheel free play
A. Operation
A. Power steering
								wheel has more than 30 degrees of free play or exceeds the movement listed as
								follows:
NOTE: Power steering fluid must be full, the belt
								must be tight and the engine running
Wheel Size
Movement
16 in. or less
41/2 in. (11.5 cm)
18 in.
43/4 in. (12.0 cm)
20 in.
51/4 in. (13.5 cm)
22 in.
53/4 in. (14.5 cm)
B. Manual steering has more
								than 15 degrees of free play or exceeds the movement listed as follows:
Wheel Size
Movement
16 in. or less
2 in. (5.1 cm)
18 in.
21/4in. (5.4 cm)
20 in.
21/2 in. (6.4 cm)
22 in.
23/4 in. (7.0 cm)
2.
Power steering
								unit
C.
Steering wheel is not properly secured.
A. Operation
A.
The power steering
								system does not work.
B. Condition
B.
The power steering
								system:
- has visible leaks;
- hoses are chafed;
- belt(s) are missing, loose,
								frayed, or binds or contacts other objects.
(d)
Front end.
Inspect
								for:
Reject
								if:
1.
Condition
1.
Axle is
								bent.
2.
There is excessive looseness in any of
								the following parts:
- king pins and/or bushings;
- wheel bearings;
- upper or lower cross shaft mounting or
								bushings;
- idler arm;
- pitman/steering arm;
- center control arms;
- tie rod ends;
- drag link ends;
- gear box;
- gear box mounting is loose, bolts are missing or
								bolts or case are cracked;
- rack mounting;
- steering wheel shaft mounting;
- steering shaft coupler/universal is:
binding;
frayed;
cracked.
- steering damper:
leaks;
is loose;
mount is cracked/broken;
is missing;
- worn universal joints;
- bearing cap broke or missing;
- any cracks or welded repairs in the above
								items.
(e)
Suspension.
Inspect
								for:
Reject
								if:
1.
Springs
A. Presence
A.
Any spring is
								missing.
B. Condition
B.
A spring:
- is noticeably sagging;
- is broken;
- center bolt is broken;
- shackle is excessively worn or loose;
- eye or pin bolt broken/missing;
- composite spring cracked more than 3/4 of an
								inch in any direction;
- any leaf or portion of any leaf in any spring
								assembly is missing or separated.
C. Trailer adjustable
								axle
C.
Adjustable axle assemblies (sliding subframes) assembly
								locking pins are missing or not engaged.
2.
Torsion bars, stabilizer bars and torque
								rods
A. Presence
A.
Any torque rod
								torsion or stabilizer bar is missing.
B. Condition
B.
Torque rod torsion
								or stabilizer bar is:
- broken;
- disconnected;
- missing;
- bent;
- excessively loose.
3.
Air suspension
A. Presence
A.
Any air bag is
								missing.
B. Condition
B.
Any air bag
								is:
- chafed;
- damaged;
- leaking;
4.
Shock absorbers
A. Presence
A.
A shock is on one
								side but not the other shock absorbers are missing on a vehicle originally
								equipped with them.
B. Condition
B.
Any shock:
- is broken
- has a loose or broken mount or mounting
								bolt.
(A leaking shock is not cause for rejection)
(f)
Chassis/frame.
Inspect
								for:
Reject
								if:
1.
Presence
1.
Section is
								missing.
2.
Condition
2.
The frame
								is:
- cracked;
- bent;
- broken;
- deteriorated due to rust.
(g)
Window glass.
Inspect
								for:
Reject
								if:
1.
Windshield
A. Presence
A.
The vehicle is not
								equipped with a windshield.
B. Approved type
B.
Any 1935 or
								newer vehicle's windshield is not AS-1, AS-10 or AS-14 rated safety glass.
C. Condition
C.
(i) The windshield
								has a "star" larger than 3 inches in diameter (A star is considered to be a
								bruise from which multiple cracks extend, such as a "stone bruise" shot,
								etc.).
(ii) There is a crack more than 11 inches long, any
								part of which extends into the path of the windshield wipers.
(iii) There are any sharp or jagged edges.
2.
Other glass
A. Approved type
A.
(i) The windows
								to the immediate left and of the driver are not AS-1, 2, 8, 10 or rated safety
								glass.
(ii) Any other windows do not have safety glass or
								rigid plastic with an AS-1, 2, 3, 4, 5, 8, 10 or 11 rating.
B. Condition
B.
(i) Any window is
								broken or has exposed sharp or jagged edges.
(ii) Any window is cracked, starred, scratch or
								discolored so as to obstruct driver's vision.
3.
Window Tint
Note: If a windshield or a window, through
								  observation, clearly meets the required visible light transmit-tance standard,
								  it is not necessary to use the tint meter. Vehicles displaying a valid MV-80W.2
								  "Exempt Tinted Windows" sticker need not be inspected for window tint.
Model year 1991 or older vehicles:
(a) Inspect the windshield for proper visible
								  light transmittance.
(a) Any part of the windshield below the top 6
								  inches allows less than 35% visible light transmittance.
(b) Inspect all side windows adjacent to or
								  forward of the driver's seating position for proper visible light
								  transmittance.
(b) Any part of the window allows less than 35%
								  visible light transmittance.
(c) Inspect the rear window of any vehicle that
								  is not equipped with dual outside rearview mirrors for proper visible light
								  transmittance.
(c) Any part of the rear window allows less than
								  35% visible light transmittance.
Model year 1992 or newer vehicles:
(d) Inspect the windshield for proper visible
								  light transmittance.
(d) Any part of the windshield below the top 6
								  inches allows less than 70% visible light transmittance.
(e) Inspect all side windows adjacent to or
								  forward of the driver's seating position for proper visible light
								  transmittance.
(e) Any part of any side window adjacent to or
								  forward of the driver's seating position allows less than 70 % light
								  transmittance.
(f) Inspect the rear window of any vehicle that
								  is not equipped with dual outside rearview mirrors for proper visible light
								  transmittance.
(f) Any part of the rear window allows less than
								  70% visible light transmittance.
(h)
Windshield wipers.
Inspect
								for:
Reject
								if:
1.
Presence
1.
Vehicle is
								not equipped with the number of wiper(s) with which it was originally
								manufactured.
2.
Condition
2.
Any wiper
								blade(s) have:
- torn rubber;
- material other than the rubber wiper blade in
								contact with the windshield.
3.
Operation
(A) Any wiper controls
								are located beyond reach of the driver so that they cannot easily be operated
								without moving from normal driving position.
(B) Any wiper does not work.
(C) Wiper does not operate freely.
(D) Any wiper is improperly adjusted.
(i)
Mirrors.
Inspect
								for:
Reject
								if:
1.
Presence
1.
Either the
								right or left exterior rear- view mirror is missing.
Note:
Inspection of an interior,
								rearview mirror is not necessary.
2.
Condition
2.
Any mirror
								is cracked, broken or discolored.
3.
Operation
3.
(A) Any
								mirror is not securely mounted.
(B) Any mirror cannot be adjusted.
(C) Any mirror will not maintain a set
								adjustment.
(j)
Horn.
Inspect
								for:
Reject
								if:
1.
Presence
1.
The vehicle
								does not have a horn.
2.
Condition
2.
The horn is
								not securely mounted.
3.
Operation
3.
(A) The
								horn does not work.
(B) The control is not within easy reach of the
								driver.
(k)
Coupling devices.
Inspect
								for:
Reject if:
1.
Fifth wheels
(A) Condition
- More than 20 percent of
								fasteners, per side, missing or ineffective.
(i) Mounting to frame
- Any movement
								between mounting components frame.
- Any mounting angle iron cracked or broken (see
								NOTE 2).
(ii) Mounting plates and pivot brackets
-
								More than 20 percent of the fasteners, per side, are missing or
								ineffective.
- Any welds or parent metal is cracked (see NOTE
								2).
- More than 1/4 inch horizontal movement
								between pivot bracket pin and bracket.
- Pivot bracket pin missing or not secured.
(iii) Sliders
- More than 25 percent of
								latching fastener per side, ineffective.
- Any fore or aft stop is missing or not securely
								attached.
- Movement more than 3/8 inches between slider
								bracket and slider base.
- Any slider component has a crack in parent metal
								or weld (see NOTE 2).
(iv) Upper/lower coupler
- Horizontal
								movement between the upper an lower fifth wheel halves exceeds 1/2
								inch.
- Operating handle will not stay in the closed or
								locked position.
- Kingpin cannot be properly engaged.
- Kingpin can be moved by hand in any
								direction.
- Separation between upper and lower coupler
								allowing light to show through from side to side.
Any semi trailer with a bolted upper coupler having
								fewer effective bolts than shown in the following table. MINIMUM TOTAL QUANTITY
								OF BOLTS. (Total minimum quantity of bolts must be equally divided with
								1/2 on each side of the coupler) BOLT SIZE 1/2 in (13 mm) 5/8 (16 mm)
								or larger 10-(5 each site) 8-(4 each side)
- Cracks in the fifth wheel plate.
- Locking mechanism parts missing, broken, deformed
								to the extent that the kingpin not securely held.
NOTE 2:
Any repair weld cracking,
								well defined (especially open) cracks in stress or load bearing areas, cracks
								through 20 percent or more of original welds or parent metal are grounds for
								rejection except: - Cracks in fifth wheel approach ramps. - Casting shrinkage
								cracks in the ribs of the body of a cast fifth wheel.
B. Operation
- Ineffective latching
								mechanism.
i. Slider
- Missing or ineffective
								stop.
(power or manual)
- Movement of more than
								1/4 inch between slider and housing.
- Any leaking, air or hydraulic cylinders, hoses,
								or chambers (other than slight oil weeping normal with hydraulic seals).
2.
Pintle hooks
A. Condition
- Cracks anywhere in pintle
								hook assembly.
- Any welded repairs to the pintle hook.
- Excessively worn (see NOTE 3).
NOTE 3:
No part of the horn or
								hook (stationary part) should have any section reduced by more than 20 percent.
								If wear can be seen when the hook and eye are coupled, it is due to either this
								condition or the eye condition described in NOTE 4.
B. Operation
Latch does not work
3.
Drawbar/towbar eye
A. Condition
- Any cracks in attachment
								welds.
i. Mounting
- Any missing or ineffective
								fasteners.
ii. Integrity
- Any welded repairs.
- Any cracks.
- Excessively worn (see NOTE 4).
NOTE 4:
The eye should not be worn
								to beyond 20 percent of its original cross section thickness. If wear can be
								seen when the hook and eye are coupled, it is due to either this condition or
								that described in NOTE 3.
4.
Drawbar/towbar tongue
A. Condition
A. Any cracks.
B. Operation
B. Movement of 1/4 inch
								or more between subframe and drawbar at point of attachment.
- ineffective latching mechanism.
- missing or ineffective stop
- movement of more than 1/4 inch (6 mm)
between the slider and housing.
- any leaking air or hydraulic cylinders, hoses, or
								chambers (other than slight oil weeping normal with hydraulic seals).
5.
Safety chains and cable
A. Presence of safety chains
A.
								Missing.
B. Condition
(i) Chains and hooks
- Worn to the extent
								of a measurable reduction in link cross section.
- Incapable of secure attachment.
- Improper repairs, including welding, wire, small
								bolts, rope and tape.
(ii) Cable
- Kinked or broken cable
								strands.
- Incapable of secure attachment.
- Improper clamps or clamping.
6.
Full trailer (double ring, ball-bearing
								turntable)
Mounting-top and bottom
- top or bottom
								flange has less than six effective bolts.
- 20 percent or more of original welds (or repaired
								original welds), or parent metal is cracked.
Wear
- upper flange half touching lower
								flange half
- cracked flanges
(l)
Exhaust system.
Inspect
								for:
Reject
								if:
1.
Presence
1.(A)
Vehicle
								does not have either a muffler or turbocharger.
(B)
Exhaust discharge does not meet the
								following criteria:
(i) either to the rear or above the cab.
(ii) gasoline engine powered buses-may not be more
								than six inches forward from the rearmost part of the vehicle;
(iii) buses powered by other than gasoline
								engine-may not be more than 15 inches forward of the rearmost part of the
								vehicle, or must be to the rear of all doors or windows designed to be open,
								except windows designed to be opened solely as emergency exits.
2.
Condition
2.(A)
Vehicle
								has gutted, altered or patched muffler.
(B)
The exhaust system is excessively
								loose.
(C)
Exhaust gases leak at:
- the manifold gasket
- the muffler
- any other point in exhaust system (except on tilt
								cabs where pipe is attached to cab)
(D)
Exhaust system is so located as it
								would be likely to result in burning, charring damaging the electric wiring
								fuel system or any other combustible part of the vehicle.
(m)
Lighting and reflectors.
(A lighting device may perform more than one
					 function)
Inspect
								for:
Reject
								if:
1.
Headlights
A. Presence
A. Any motor vehicle does not
								have headlights. (Not required for trailers)
B. Approved type
B(i) A headlight or the
								headlight system does not meet SAE or DOT standards.
(ii) Any headlamp has an unapproved material over
								or in front of the lens.
C. Condition
C(i) Any lens is broken
								(pieces missing).
(ii) Any headlamp is not securely mounted or can
								easily be moved.
(iii) Any low beam headlamp aim is off more than
								four inches/degrees (up, down, left or right) from straight ahead in 25
								feet.
D. Operation
D. Any headlamp fails to light
								in the high or low beam switch position.
2.
Taillights/stop lights
A. Presence
A. The vehicle is not equipped
								with at least two red tail lamps and at least two red stop lamps.
B. Approved type
B. Lamps do not display
								required DOT or SAE markings.
C. Condition
C(i) Any lamp/lens is broken
								(pieces missing). Tape or other material is used in place of all or part of an
								approved lens.
(ii) Any lamp is not securely mounted.
D. Operation
D. Any lamp does not operate
								properly in all switch positions.
3.
Directional lights/hazard warning
								lights/ indicator lights.
A. Presence
A(i) Any 1953 and newer vehicle
								is not equipped with directional lamps. Front directional signs are not
								required on trailers.
(ii) Any 1966 and newer motor vehicle is not
								equipped with hazard warning lights.
(iii) Any vehicle equipped with directional signals
								must also be equipped with indicator lights.
B. Approved type
B(i) Any lamp does not
								display required DOT or SAE markings.
(ii) Front lights do not display amber; rear lights
								do not display red or amber.
C. Condition
C(i) Any lamp/lens is broken
								(pieces missing). Tape or other material is used in place of all or part of an
								approved lens.
(ii) Any lamp is not securely mounted.
D. Operation
D(i) Any lamp does not operate
								properly in all switch positions.
(ii) Lamps are not visible front or rear.
(iii) Any switch must be manually held for the
								desired function.
(iv) Hazard warning lights do not operate with
								ignition off.
(v) Interior indicator lamp does not function
								properly. (If vehicle has an exterior indicator lamp only, check for proper
								operation.)
4.
Marker/clearance lights and reflectors
								(See NOTE 5)
A. Presence
A(i) Side marker lights On each
								SIDE 1 red to the rear 1 amber to the front 1 amber in center if over 30 feet
								long
(ii) Clearance lights indicating overall width 2
								red showing to the rear 2 amber showing to the front
(iii) Identification lamp (3-lamp cluster) center
								of vehicle over 80 inches in width amber on the front (except trailers) red on
								the rear
(iv) Reflex reflectors
On the REAR at the same height 2 red, one on each
								side On each SIDE 1 amber to the front 1 red to the rear
NOTE 5:
Tractors do not need rear
								side marking devices, rear clearance lamps, or rear 3-lamp cluster.
B. Approved type
B. Lamps or reflectors do
								not display required SAE or DOT markings. (Amended 8/13/03)
C. Condition
C(i) Any lens is broken
								(pieces missing). Tape or other material is used in place all or part of an
								approved lens.
(ii) Any device is not securely mounted.
D. Operation
D. Any lamp fails to light
								properly when activated by the switch.
5.
Back-up lights
A. Presence
A. Any 1969 and newer motorized
								vehicle does not have at least one backup light. (Not required on
								trailers)
B. Approved type
B. Backup light(s) is not
								SAE or DOT approved.
C. Condition
C(i) Any lens is broken
								(pieces missing). Tape or other material is used in place of all or part of an
								approved lens.
(ii) Any lamp is not securely mounted.
D. Operation
D. Any backup light fails to
								operate properly.
6.
License plate lights
A. Presence
A. Any vehicle does not have at
								least one lamp to illuminate the rear license plate.
B. Approved type
B. Lamps or reflectors do
								not display required SAE or DOT markings.
C. Condition
C(i) Any lens is broken
								(pieces missing). Tape or other material is used in place of all or part of an
								approved lens.
(ii) Any device is not securely mounted.
D. Operation
D. Any lamp fails to light
								properly when activated by the switch.
(n)
Service brake system.
For brake inspection, EITHER:
(1) Remove at least one rearmost drive axle brake drum or
					 hub and drum assembly on a power unit or one rearmost brake drum or hub and
					 drum assembly on a trailer or semi-trailer,
OR
(2) On vehicles with removable backing plates, remove all
					 of the plates or look through the inspection ports so that brake components can
					 be viewed. (If the front axle is the only axle without removable backing
					 plates, it is not necessary to remove a front brake drum or hub and drum
					 assembly.)
A new vehicle with a "Manufacturer's Certificate of
					 Origin" (MCO), except a glider kit, as its ownership document is not required
					 to be disassembled for brake component inspection.
On vehicles which require the wheel to be removed the
					 "grease seal" SHOULD be replaced along with any other unserviceable parts
					 required to insure safe operation upon re-assembly. These repairs must be
					 authorized by the owner/operator. Once a vehicle is REJECTED, it is the
					 owner/operator's responsibility to timely remove that vehicle from the facility
					 at his/her own expense.
Inspect
								for:
Reject
								if:
1.
Hydraulic or electric brakes
A. Presence
A.
There is a missing
								or disconnected brake on any wheel except for the following: 1980 and older
								trucks and tractors which have three or more factory equipped axles, in some
								cases may not have brakes on the front axle. These vehicles should not be
								rejected unless there is evidence that front brakes ever existed
								(
i.e.,
drums, rotors or backing plate assemblies are
								present.)
B. Condition
(i) Hoses, connections and
								lines
(i)
Any brake hose or connecting line is:
- cracked
- broken
- crimped
- swelled or swollen
- not securely fastened
- charred
- chafed
- leaking
- in contact with the: exhaust system or
- driveline
- copper tubing or compression fittings are
								used
- improperly joined lines, such as a splice made by
								sliding the hose over a piece of tubing and clamping the hose to the tube
(ii) Brake lining
(ii)
Brake lining
								is:
- broken
- cracked
- not completely attached to the shoe or pad
- contaminated with grease or oil, etc.
(a) Bonded lining
(a) The thinnest part of
								the lining measures less than 
								1/16.
(b) Riveted or bolted lining
(b) The lining
								is worn to less than 
								1/16
								above any bolt or rivethead.
(iii) Rotors
(iii)
The rotor:
- is worn or machined below the minimum allowable
								thickness
- has cracks on the friction surface extending to
								the open edge
- mounting holes are elongated
- has mechanical damage other than normal wear
(iv) Drums
(iv)
The drum:
- is worn or machined beyond the maximum allowable
								diameter (only if the drum has been removed)
- has a crack on the friction surface extending to
								the open edge
- has a crack on the outside particularly at the
								drum mounting
- has mechanical damage other than normal wear
- mounting holes are elongated
- friction surface is contaminated with grease,
								oil, etc.
(v) Wheel
								cylinder/caliper
(v)
Wheel cylinder/caliper has visible
								leak
(vi) Master cylinder
(vi)
Master
								cylinder:
- has visible leaks
- is not filled to its designed capacity
C. Operation
(i) Components
(i)
Any component is
								seized or does not operate properly or any non-manufactured holes or cracks are
								found in the spring brake housing section of a parking brake.
(ii) Single brake pedal
(ii)
A 1954
								or newer vehicle is not equipped with a single brake pedal which operates all
								the service brakes on that motor vehicle or combination of vehicles (This shall
								not prohibit the use of an additional valve which can operate the trailer
								brakes independently).
(iii) Brake pedal reserve
(iii)
The
								brake pedal when depressed under normal foot pressure:
- has a reserve travel of less than 20% of its
								total travel
- does not hold its position for 60 seconds without
								dropping
(iv) Power assisted
								system
(iv)
Pedal assist is not felt when engine is started or
								vehicles with an electric backup system does not operate with engine off (Note:
								For this test, some systems may require the ignition switch to be in the "on"
								position)
- any leak on a vehicle equipped with a hydraulic
								boost system
(v) Warning device
(v)
A 1973 or
								newer truck or tractor is not equipped with either an audible or visible
								warning device to readily indicate to the driver a brake system or assist
								failure, or if on hydraulic system the brake failure light/low fluid warning
								light is on and/or inoperative.
(vi) System performance of the Power Unit (must be
								the last brake test done) This test must be done on a hard level surface, free
								from loose material (indoors or outdoors)
(vi)
The truck,
								tractor or bus fails to stop within 35 feet or stops with significant pull when
								tested from a speed of 20 MPH.
2.
Air/vacuum brake systems
A. Presence
(i) General
(i)
There is a missing
								or disconnected brake on any wheel except for the following:
1980 and older trucks and tractors that have three
								or more factory equipped axles in some cases may not have brakes on the front
								axle. These vehicles should not be rejected unless there is evidence that front
								brakes ever existed (
i.e.,
drum(s) rotor(s), or backing plate
								assemblies are present). There is insufficient vacuum reserve to permit one
								full brake application after engine is shut off.
(ii) Warning systems
(ii)
The
								vehicle is not equipped with either an audible or visible warning device, OTHER
								THAN THE GAUGE, to readily indicate to the driver a system failure.
(iii) Gauge
(iii)
The gauge is
								missing or defective.
B. Condition
(i) Tanks, hoses, lines and connections
								etc.
(i)
Any brake component is: - cracked
- broken
- crimped
- swelled or swollen
- not securely fastened
- charred or chafed
- in contact with the exhaust system or
								driveline
(ii) Brake lining (all measurements must be taken
								from shoe/pad or top of the rivet/bolt)
(ii)
Brake lining is: -
								broken - cracked - not completely attached to the shoe or pad
- contaminated with grease, oil, etc.
(a) Bonded lining (on a brakeshoe or
								pad)
(a)
The thinnest part of the lining measures less than
								1/4 at the center of the shoe (only if a drum has been removed).
(b) Riveted or bolted lining (pads and
								shoes)
(b)
The lining is worn to less than 
								1/16
								above any bolt or rivet head (only when the lining or pad is required to be
								measured).
(c) Air disc brake pads
(c)
The
								lining is worn to less than 
								1/6.
(iii) Rotors
(iii)
The rotor:
- is worn or machined below the minimum allowable
								thickness;
- has cracks on the friction surface extending to
								the open edge;
- mounting holes are elongated:
- has mechanical damage other than normal
								wear.
(iv) Drums
(iv)
The drum:
- is worn or machined beyond the maximum allowable
								diameter (only if a drum has been removed);
- has a crack on the friction surface extending to
								the open edge;
- has a crack on the outside, particularly at the
								drum mounting;
- has mechanical damage other than normal
								wear;
- mounting holes are elongated;
- friction surface is contaminated with grease,
								oil, etc.
C. Operation
(i) Components
(i)
Any component is
								seized or does not operate properly or any non-manufactured holes or cracks are
								found in the spring brake housing section of a parking brake.
(ii) Single brake pedal
(ii)
A 1954
								or newer model vehicle is not equipped with a single brake pedal which operates
								all the service brakes on that motor vehicle or combination of vehicles. (This
								shall not prohibit the use of an additional valve which can operate the trailer
								brakes independently.)
(iii) Storage tank
								drain
(iii)
Drain cock cannot be opened or is plugged (when
								checking, drain liquids and other foreign substances).
(iv) Warning devices
(iv)
The
								warning device does not provide a continuous warning once activated.
(
a
) Vacuum warning device TEST:
								run engine to build full vacuum
(
a
)
With
								engine off: The warning system does not activate whenever the vacuum reserve is
								reduced to less than 8 inches of mercury (Do this by applying the brakes).
(
b
) Air warning
								device
(
b
)
With engine off: The warning system
								does not activate when the pressure drops below 60 PSI or manufacturer's
								specification, if known (Do this by applying the brakes).
(v) Air brake leakage test
The following four conditions must be
								met before performing this test. System pressure must be reduced or increased
								to 80 PSI either by applying the brakes or building up pressure
- governor is cut-in,
- engine is at idle,
- reservoir pressure is between 80- 90 PSI,
- service brakes are fully applied
(
a
) With engine running and
								service brakes applied determine if system can maintain at least 80
								PSI
(
a
)
The system does not maintain at least
								80 PSI. (Perform this test for 1 minute on single and/or combination
								vehicles.)
(vi) Air pressure safety relief valve, governor cut
								out and compressor drive belts
(vi)
Air pressure safety relief
								valve is not present or does not operate on a system which can be checked (some
								valves designed with a lead plug cannot be tested).
- Brake system operating pressure exceeds 135
								PSI.
- Compressor drive belt(s) is missing, badly worn,
								frayed, slipping or loose, or bolts, pulleys, brackets, braces or adapters are
								cracked, broken, loose or missing.
(vii) Inverting relay spring brake control valve or
								inversion valve (on vehicles so equipped).
(vii)
If valve falls
								to function properly.
(viii) Air brake adjustment
Equipment: Steel scale and feeler gauge
								or equivalent.)
(a) On vehicles equipped with Cam brakes, mark each
								brake chamber pushrod at the face of the brake chamber with the brakes
								released.
(a)
Cam brakes, push-rod travel of any chamber
								exceeds the maximum stroke listed in Table A (See Appendix I).
Apply the air brakes fully with reservoir pressure
								at 100 PSI or delivery pressure between 80-90 PSI, and measure the distance the
								push rod length travels from the face of the chamber to the mark previously
								made when the brakes were released. (Fig. 1 See Appendix III) This measurement
								in the push-rod stroke table in Table A (See Appendix I).
There is a mismatch on any axle of:
1. Air chamber size
2. Slack adjustor
(b) On vehicles equipped with wedge brakes, remove
								the inspection hole cover at each dust shield and with the brakes released,
								scribe a line on the edge of the brake lining. Apply the air brakes fully with
								reservoir pressure at 100 PSI or delivery pressure between 80 and 90 PSI.
								Measure the distances the brake lining travels. (Fig. 2 See Appendix
								IV)
(b)
Any brake shoe, has more than 
								1/16
								travel.
(c) On vehicles equipped with disc brakes use Table
								B (See Appendix II).
(c)
Pushrod travel of any chamber exceeds
								the maximum stroke listed in Table B (See Appendix II).
1. System performance of the power unit (must be
								the last brake test done). This test must be done on a hard level surface, free
								from loose material (indoors or outdoors)
1. The truck, tractor or bus
								fails to stop within 35 feet or stops with significant pull when tested from a
								speed of 20 MPH.
(o)
Parking brake systems.
Inspect
								for:
Reject
								if:
1.
Parking brake
NOTE 7:
On 1962 and
								older vehicles not originally equipped with a parking brake, disregard this
								section.
A. Presence
A.
The vehicle is not
								equipped with a parking brake.
B. Condition of the parking brake
								components
B.
There are any of the following missing or
								defective:
- cotter pins
- retracting springs;
- worn rods or couplings;
- cable(s) are visibly frayed or frozen.
- The ratchet, pawl, lever control, or other
								locking device does not hold the brake in the applied position or cannot be
								proper operated or released.
- any non-manufactured holes or cracks are found in
								the spring brake housing section of a parking brake.
C. Operation
C.
The parking brake
								does not operate separate from the service brakes.
- Failure of either system leaves the vehicle
								without brakes.
- There is no reserve travel in the lever or pedal
								when the brake is fully applied.
- The control is not within easy reach of the
								driver.
- The parking brake does not hold the vehicle
								stationary with transmission in gear (whether automatic or manual) with
								moderate engine power applied.
2.
Emergency breakaway systems
A. Presence
(i) Trailers
(i)
The trailer is not
								equipped with an emergency breakaway system.
(ii) Towing vehicles manufactured after
								1953.
(ii)
The vehicle is not equipped with an automatic
								breakaway system (tractor protection valve) so that the service brakes on the
								towing vehicle remain operational if the trailer separates.
Where manual operation is permitted, this control
								shall be within easy reach of the driver.
B. Operation
(i) All trailers (air, vacuum, or
								electric)
(i)
Trailer is not equipped with an emergency system
								which automatically applies the brakes upon separation from the towing vehicle
								and stays applied for a minimum of 15 minutes. Trailer with batteries that
								cannot be recharged must only be capable making a brake application. The 15
								minutes will be waived.
(ii) Towing vehicles
The test must be conducted with a fully charged
								system
SINGLE AIR BRAKE SYSTEMS (Pre FMVSS 121 Brake
								Systems) manually operate the dash control valve. (tractor protection control
								valve)
The trailer emergency brake system cannot be applied
								and released with this valve.
DUAL AIR BRAKE SYSTEMS (FMVSS 121 Systems) manually
								operate the tractor protection control valve. (Normally marked trailer supply
								valve)
The trailer brakes do not apply and release as knob
								is pulled out and pushed in.
Manually operate park control valve
All
								parking brakes do not apply and release as knob is pulled out and pushed
								in.
(p)
Seat belts.
Inspect
								for:
Reject
								if:
1.
Presence
1.
A 1965 and
								newer vehicle is not equipped with a seat belt at the driver seat and the right
								front outboard seat. A 1971 or newer vehicle is not equipped with a seat belt
								at each seating position, except that a bus needs to be equipped with a seat
								belt at least at the driver seat.
2.
Operation
2.
Any seat
								belt:
- cannot be buckled or unbuckled;
- can be pulled out of its anchors or was not
								anchored at the start of the inspection
- comes unbuckled when tugged upon.
- has an automatic adjuster which does not operate
								properly.
(q)
Fuel leaks.
Procedure:
Reject if:
1.
Check the fuel system, including the
								fuel tank and lines, for leaks, including auxiliary heating or refrigeration
								units.
1.
Any leak is found in any fuel system, tank or lines
								to such a degree as to cause dripping or pooling of fuel.
A fuel tank is not securely attached to the
								vehicle.
Note:
Some fuel tanks use spring
								or rubber bushings to permit movement.
Compressed natural gas (CNG), liquefied petroleum
								gas (LPG) or liquefied natural gas (LNG) fuel systems
Any fuel leakage
								from the CNG, LPG or LNG system detected audibly, visually or by smell.
Note:
Some brief fuel
								leakage, water vapor at the fittings, or decompression may occur during
								refueling, causing temporary frosting of CNG of LPG fuel system parts. If the
								vehicle has been refueled shortly before inspection, care must be taken to
								distinguish these temporary frosting occurrences from actual leaks. Also, in
								hot weather some condensation on the system is normal.
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