Knowledge of automotive suspension systems refers to the terminology, characteristics, and operation of standard and
computerized/air- controlled suspension, and standard and power assisted steering, as well as wheel alignment systems and
Knowledge of automotive braking systems refers to the terminology, characteristics, and operation of air and hydraulically
actuated braking components such as cylinders, valves, linkage, calipers, sensors and control modules and anti-lock brake
Ability to use technical reference materials and technical manuals refers to reading, comprehending, and interpreting
technical information, such as illustrated parts breakdown, checklists, flow charts, electronic media, and schematics.
Ability to troubleshoot and diagnose malfunctions in automotive components or systems refers to a proficiency in observing,
testing, analyzing, and isolating sources of trouble in automotive systems or their components, such as electrical/electronic
systems, engine, power train, fuel delivery, and suspension and braking systems through the use of appropriate automotive
Ability to use automotive test equipment refers to the knowledge of, and proficiency with, various types of electrical/electronic
diagnostic test equipment, such as voltage/amperage testers (VAT), multimeters (VOM), test lights, scanners, gas analyzers,
Ability to use mechanical test equipment and hand tools refers to the knowledge of, and proficiency with, various types of
mechanical diagnostic test equipment and hand tools, such as micrometers, calipers, pressure gauges, etc.
Ability to make minor repairs to automotive components or systems refers to a proficiency in replacing parts or making
adjustments to automotive systems or their components, such as electrical/ignition, emissions, fuel delivery, engine,
suspensions, power train, braking systems, intake, exhaust, and starting aids.
Ability to make major repairs to automotive components or systems refers to a proficiency in overhauling or rebuilding
automotive systems or their components, such as power train, engine, fuel delivery, suspension, and braking systems.
Applicants must successfully complete Postal Service Test 943 and Test 944, to demonstrate their knowledge and ability to
troubleshoot, diagnose, and make minor and major repairs to automotive systems.
Effective June 11, 2022, Exam 941 Automotive Bench Test is suspended until further notice.
Applicants must be physically able to efficiently perform the duties of the position.
Applicants who qualify under this standard may be required to satisfactorily complete a prescribed training course(s) prior to
reassignment or promotion.
At the time of appointment, applicants must have a valid driver's license from the state in which they live. Applicants must
also demonstrate and maintain a safe driving record. Applicants selected under this qualification standard must successfully
complete the required Vehicle Familiarization and Safe Operation training, including demonstration of the ability to safely
drive a vehicle of the type used on the job.