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Nov 05, 2026
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ASEP 161 - GM ASEP Light Duty Diesel Theory
PREREQUISITES/COREQUISITE: ASEP 127 GM ASEP Engine Repair
CREDIT HOURS MIN: 3
LECTURE HOURS MIN: 2
LAB HOURS MIN: 2
TOTAL CONTACT HOURS MIN: 64
In this first course of a two-part sequence, students begin studying the mechanical theory, diagnosis, service, and repair of modern GM light-duty diesel engines used in passenger vehicles and light-duty trucks. Instruction emphasizes the proper use of precision measuring tools and GM-specific service equipment to diagnose, service, and repair mechanical, hydraulic, and electrical systems on these engines. Throughout the course, students complete modules in GM’s Center of Learning (service technician online training) and continue preparing for nationally recognized ASE (Automotive Service Excellence) certification exams.
MAJOR COURSE LEARNING OBJECTIVES:
- Demonstrate proper shop safety practices while servicing engines.
- Identify tools and equipment used in engine service.
- Identify the type of fuel and lubricating oil required for a diesel engine.
- Identify service procedures for coolant and fuel heaters.
- Adjust or measure valve and/or engine brake clearance.
- Inspect cooling system and components for needed repair.
COURSE CONTENT: Topical areas of study include -
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Shop safety Tools, precision tools and fasteners
Engine designs Principles of operation
Lubrication systems Cooling systems
Engine repair procedures Cold starting systems
GRADING POLICY
A…………..92 - 100%
B…………..83 - 91%
C…………..74 - 82%
D…………..65 - 73%
F……………0 - 64%
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