AUTMC 103
(A3) MANUAL DRIVE TRAIN AND AXLES
Lewis-Clark State College · UGRD · Fall 2026
Catalog description
This is an ASE Master Automotive Service Technology accredited course offering an in-depth study of the operation of manual transmissions, transfer cases, differentials, and four-wheel-drive systems with an emphasis on the diagnostic process that a technician would use to isolate faults. This course includes theory, diagnosis, service, and repair of clutch assemblies, hydraulic actuators, gears, evaluating bearing wear and setting bearing preload. Each student will complete a manual transmission clutch and flywheel replacement. Additionally, each student will remove, rebuild, and reinstall a differential. Students will be required to write estimates for repair work performed in the lab and are expected to participate verbally in class discussions. Some lab projects will require students to work in small groups. Students are expected to write short answer essays to complete homework assignments and will be quizzed with ASE certification exam style questions in preparation for the ASE A3 test. Students must earn a C or higher and are required to successfully pass the (A3) Manual Drive Train and Axles ASE Entry-Level examination to receive credit for program graduation. Pre-requisite: AUTMC-100 with a grade of 'C' or higher.
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