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Job Specification



Under direction, performs skilled mechanical work involving the 
maintenance, repair and servicing of various types of motor 
vehicles and/or motorized construction equipment; does other 
related work as required.  

NOTE:  The examples of work for this title are for illustrative 
purposes only.  A particular position using this title may not 
perform all duties listed in this job specification.  Conversely, 
all duties performed on the job may not be listed.


Repairs engines and components, power trains, suspension 
systems, and other mechanical units of such motor vehicles 
as automobiles, vans, and/or such construction equipment as 
trucks, buses, bulldozers, tractors, cranes, road graders, power 
shovels, or similar equipment.

Obtains description of mechanical problems from driver of 
vehicle and/or test drives the vehicle or uses testing equipment 
such as motor analyzers, spark plug testers, or compression 
gauges to locate and identify the problem.

Locates worn, dirty, or poorly adjusted parts through visual check 
of vehicle or through the use of testing devices such as timing lights 
and dwell meters or other diagnostic equipment.

Removes, cleans, or replaces defective parts such as spark plugs, 
wheel cylinders, mufflers, tail pipes, or brake shoes.

Makes settings and adjustments such as setting distributors and 
voltage regulators, points, gapping spark plugs, setting engine idle 
and timing, and adjusting brakes.

Removes units such as engine, transmission, or differential using 
wrenches and hoist.

Disassembles unit and inspect parts for wear using micrometers, 
calipers, and thickness gauges.

Repairs or replaces parts such as pistons, rods, gears, valves, 
and bearings using mechanic's hand tools.

Overhauls or replaces carburetors, blowers, generators, 
distributors, starters, and pumps.

Rebuilds parts such as crankshafts and cylinder blocks using 
lathes, shapers, drill presses, and welding equipment.

Rewires ignition system, lights, and instrument panel.

Relines and adjusts brakes, aligns front end, repairs or replaces 
shock absorbers, and solders leaks in radiator.

Mends damaged body and fenders by hammering out or filling 
in dents and welding broken parts.

Replaces and adjusts headlights and installs and repairs 
accessories such as radios, heaters, mirrors, and windshield 

Disassembles and rebuilds components by fitting and installing 
needed parts such as rings, pistons, bearings, and gears.

Aligns, meshes, and connects repaired units to related mechanisms 
and makes adjustments to assure proper operation of units.

Adjusts ignition timing and valves and adjusts or replaces spark 
plugs and other parts to ensure efficient engine performance.

Installs air conditioners and service components such as 
compressors and condensers.

Aligns and balances wheels and repairs steering and suspension 

Adjusts brakes, replaces brake linings and pads, repairs hydraulic 
cylinders, and makes other repairs to the brake system.

Cleans radiators, locates and solders leaks, and installs new 
radiator cores in vehicles.

Overhauls and repairs electrical systems and components.

Replaces defective wiring and electrical units in vehicles such 
as starters and generators.

Repairs and replaces gear trains, couplings, hydraulic pumps, 
and other components of automatic transmission systems.

In making repairs, uses a variety of tools, equipment, and testing 
devices such as pneumatic wrenches to remove bolts; lathes and 
grinding machines to rebuild brakes and other parts; welding and 
flame cutting equipment to repair exhaust systems; ammeters, 
ohmmeters, and voltmeters to locate electrical system malfunction; 
motor analyzers, spark plug testers, or compression gauges to 
locate mechanical problems; wheel balancing equipment to 
balance wheels; scientific testing equipment to help adjust and 
locate malfunctions in fuel, ignition, and emission control systems; 
and common hand tools such as screwdrivers, pliers, and wrenches 
to work on small parts and get to hard to reach places.

Consults manufacturer or other manuals or charts to identify 
replacement parts or ascertain specified dimensions and 
tolerances of components.

Welds broken parts and structural members.

May direct workers engaged in cleaning parts and assisting with 
assembly and disassembly of equipment.

Traces and locates defects and causes of mechanical problems 
to determine type and extent of repairs.

Overhauls, rebuilds, repairs, and services diesel, gasoline, and 
other types of combustion engines, automatic and non-automatic 
transmissions, heavy duty drive line systems, hydraulic utility 
systems, and controls.

Selects and makes repairs in accord with appropriate repair 
specifications, manuals, and procedures.

Fits and installs parts such as pistons, valves, bearings, gears, 
and cylinders to appropriate tolerances and makes appropriate 
adjustments in accord with specifications and guidelines.

Connects, aligns, and adjusts mechanical components to assure 
proper operation of the vehicle.

Repairs cross driver or similar multisystem transmissions.

Repairs large and powerful 12-cylinder engines with pistons 
which directly power multiple hydraulic and pneumatic systems 
and large multiple, interconnected engine systems.

Overhauls a variety of intricate fuel injection systems.

Overhauls and rebuilds transmissions such as those which 
have braking, steering, and differential systems mechanically 
integrated with the transmission.

Drives a vehicle such as a pickup truck, tow truck and so forth 
to various locations to service disabled motor vehicles.

Examines and discusses with operator the nature of the 
malfunctions, manipulates gears, examines battery, checks 
fan belt, raises and lowers attachment on equipment, and 
diagnoses problems and makes needed adjustments and 

May provide guidance and instruction to those assigned as 
mechanic helpers.

Maintains essential records and files.

Will be required to learn to utilize various types of electronic 
and/or manual recording information systems used by the 
agency, office or related unit.



Successful completion of one (1) year of training in automotive 
technology at an accredited community college or vocational 


Two (2) years of experience in the maintenance and repair of 
various types of motor vehicles and/or construction equipment 
such as bulldozers, tractors, cranes, road graders, power 
shovels, or similar equipment.

NOTE:  Applicants who do not possess the required year of 
formal training may substitute one (1) additional year of 
experience as outlined above.

NOTE:  An Automotive Service Excellence (ASE) Certification 
in one of the following specialties from the National Institute for 
Automotive Service Excellence may be substituted for the formal 
training: A-1 Engine Repair, A-6 Electrical/Electronic Systems, 
A-8 Engine Performance. 


Appointees will be required to possess a driver's license valid 
in New Jersey.

Appointees may be required to possess a valid Commercial 
Driver's License (CDL) and applicable endorsements for the 
class and type of vehicle being operated.

NOTE:  The responsibility for ensuring that employees possess 
the required motor vehicle license, commensurate with the class 
and type of vehicles they operate, rests with the Appointing Authority.

In accordance with Federal regulation 82:40, appointees responsible 
for the repair or servicing of motor vehicle air conditioners will 
be required to obtain and maintain a valid Air Conditioning and 
Refrigeration Technician, commensurate with the type of equipment 
serviced, issued by the Federal Environmental Protection Agency.

In accordance with N.J.A.C. 13:20-46.8, appointees responsible for 
performing the emissions inspections on diesel-powered vehicles will 
be required to successfully complete a course of Instruction on Diesel 
Emission Inspection provided through the Appointing Authority. 
Appointees may be required to successfully complete re-training.

In accordance with the New Jersey Occupational Safety and Health 
Administration regulation 29 CFR 1910.178(l) (1), appointees responsible 
for the operation of industrial trucks (powered forklifts) will be required to 
obtain and maintain a current certification as a Powered Industrial Truck 
Operator issued by the New Jersey Occupational Safety and Health 
Administration.  Appointees may be required to successfully complete 

In accordance with N.J.A.C 13:20-45.16, appointees responsible for 
performing emissions repairs to gasoline-fueled vehicles will be 
required to successfully complete the Emissions Technical Educational 
Program, and maintain a current certification as an Emissions Repairer 

In accordance with N.J.A.C. 13:20-43.17, appointees responsible for 
performing inspections to motor vehicles will be required to successfully 
complete the training and maintain a current certification as a Motor 
Vehicle Inspector.

Appointees responsible for repairing or servicing motor vehicles 
equipped for alternate fuel will be required to successfully complete
training and obtain an Alternate Fuel Certification.  Appointees who 
possess an ASE Certification in Alternate Fuel are considered to 
have met this requirement.
Appointees responsible for repair and servicing of suspension/steering 
systems are required to possess and maintain an Automobile Service 
Excellence (ASE) Certification in Suspension and Steering.

Appointees responsible for repair and servicing of brakes are required 
to obtain an Automotive Service Excellence (ASE) Certification in 
Brake Repairs.

Appointees may also be required to obtain ASE certifications in 
Engine Repair A-1 and Engine Performance A-8.


Knowledge of where and how a variety of automotive systems, 
components, accessories, and parts of systems such as wheel 
cylinders, fuel lines, condensers, and mufflers are installed.

Knowledge of varied types of motors and equipment and their 

Knowledge of procedures for diagnosing the reasons for motor 
failure and the steps necessary to correct the condition.

Knowledge of makeup, operation, and installation procedures 
for all components and systems of vehicles such as engines, 
transmissions, front and rear-end assemblies, electrical, and 
hydraulic systems.

Knowledge of the mechanical makeup, operation, and working 
relationships of a variety of heavy duty systems, assemblies, and 
parts such as diesel, multifuel, and gasoline engines including 
supercharged and turbocharged engines, automatic and 
non-automatic transmissions, and gear reductions systems including 
those with torque converters, planetary gears, and more than one 
gear range, and driveline assemblies including differentials, power 
dividers, and dual speed axles, hydraulic lifting, loading, turning, 
and positioning systems including their mechanical, hydraulic, and 
pneumatic controls.

Ability to determine the mechanical defects which cause engines, 
transmissions, hydraulic systems, and other major systems and their 
components to fail to operate properly.

Ability to use a wide range of diagnostic and testing equipment including 
electrical, electronic, light, and pressure types to determine cause of 
mechanical problems such as engine analyzers dynamometers, exhaust 
analyzers, vacuum and fuel pump testers, injector testers, ignition timers, 
tachometers, ammeters, and ohmmeters.

Ability to use technical manuals, specifications, diagrams, schematics, 
and similar guides to make repairs and modifications to equipment.

Ability to improvise, substitute, and alter parts to fit and mesh in 
systems for which the parts were not designed or when technical 
manuals, diagrams, schematics, or similar guides do not apply.

Ability to disassemble, rebuild, adjust, reassemble, reinstall, and 
align various automotive components and assemblies.

Ability to manipulate small objects with the fingers such as bolts, 
ignition wiring, points, plugs, and measuring instruments.

Ability to determine when parts should be cleaned and reinstalled 
or removed and replaced with standard parts and the types and 
extent of adjustment and alignment required.

Ability to make tune-up adjustments and settings such as setting 
points and timing engines according to specifications.

Ability to obtain, store, record, safeguard, and properly use 
equipment, materials, and supplies.

Ability to read diagrams, blue prints, and schematics.

Ability to use mechanic hand tools and small power tools such 
as pliers, screw drivers, pneumatic wrenches, and drills.

Ability to use a variety of test equipment such as feeler gauges, 
circuit testing, timing lights, dwell meters, dial gauges, 
oscilloscopes, exhaust analyzers, and engine and chassis 

Ability to learn to utilize various types of electronic and/or 
manual recording information systems used by the agency, 
office or related units.

Ability to read, write, speak, understand, or communicate in 
English sufficiently to perform the duties of this position. American 
Sign Language or braille may also be considered as acceptable 
forms of communication.

Persons with mental or physical disabilities are eligible as  
long as they can perform essential functions of the job with 
or without reasonable accommodation.  If the accommodation 
cannot be made because it would cause the employer undue  
hardship, such persons may not be eligible.

This job specification is applicable to the following title code:
Local or
Class of
02434LC N/A15-

This job specification is for local government use only.
Salary range is only applicable to state government.
Local salaries are established by individual local jurisdictions.