Instructor pointing out an air brake chamber and air lines beneath a commercial truck to a student

System fundamentals, inspection, and operation

Air Brakes Training

Learn air brake system fundamentals, inspections, operation, and safety procedures, and prepare for the applicable DMV knowledge and skills testing requirements so you can avoid an air brake restriction on your CDL.

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Who this program is for

CDL applicants who will test in air brake–equipped vehicles
Drivers looking to remove an air brake restriction
Bus and truck drivers seeking deeper system knowledge

Training topics

Air brake system components: compressor, governor, reservoirs, chambers, slack adjusters
Dual air systems and spring brakes
Air brake inspection and in-cab air brake check
Leak-down, low-air warning, and spring brake activation tests
Proper braking techniques and stopping distance
Recognizing and responding to air brake failures

Prerequisites

Enrollment in, or completion of, Class A or Class B training — or an existing CDL
Valid CLP or CDL as applicable

Licensing & certification requirements

There is no separate federal 'air brake endorsement'
To operate vehicles with full air brakes, you must pass the DMV air brakes knowledge test and complete the skills test in an air brake–equipped vehicle
Otherwise, an air brake restriction (such as 'L' or 'Z') is placed on your CDL

Training format

Classroom instruction
Hands-on inspection practice
Behind-the-wheel application
Schedules confirmed at enrollment

Career opportunities

Commercial truck driver
Motorcoach operator
Charter bus driver

Enrollment, eligibility, instruction, testing, and licensing outcomes are subject to applicable California DMV, CHP, and federal FMCSA requirements, including Entry-Level Driver Training (ELDT) rules. Completing training does not guarantee licensure, certification, or employment.

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Start your Air Brakes journey

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