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Diesel Technology

This hands-on training program prepares students for entry-level employment or career advancement in the medium- and heavy-duty truck industry. The course provides a comprehensive foundation in preventive maintenance and system diagnostics for key vehicle systems, including brakes, steering, suspension, drivetrain, HVAC, cab, and hydraulics. Students also learn diesel engine operation, service, and repair, along with electronic control systems, fuel injection, and related components. Laboratory activities emphasize hands-on inspection, troubleshooting, and repair using state-of-the-art tools, diagnostic equipment, and electronic service information systems.

Prerequisite: Students should have experience as an auto mechanic and/or hold ASE G1 and A6 certifications or instructor approval as required by Workforce Development.

Offered at the following location(s): Georgetown, Stanton

What You Can Do

In this program, you will gain the knowledge and skills to prepare you for positions such as:

• Diesel Technician
• Diesel Mechanic

What You Will Learn

Measurable Performance Objectives

Upon completion of this course, the student will:

• Apply industry-standard diagnostic and service procedures using vehicle service information, technical service bulletins, and manufacturer specifications in accordance with shop safety and environmental practices.
• Inspect, diagnose, and repair braking systems including air, hydraulic, parking, and power assist systems to ensure safe and proper vehicle operation.
• Analyze and service steering and suspension systems, including alignment, wheel and tire service, and ride control components for medium and heavy-duty trucks.
• Diagnose, adjust, and repair drivetrain components, including clutches, transmissions (manual and automatic), drive axles, and drive shafts.
• Inspect and service vehicle hydraulic systems, verifying proper fluid condition, system integrity, and component performance.
• Analyze and repair heating, ventilation, air conditioning (HVAC), and auxiliary power systems, ensuring correct performance, pressure control, and refrigerant handling.
• Perform inspection, diagnosis, and repair of diesel engines and subsystems, including cylinder heads, valve trains, engine blocks, lubrication, and cooling systems.
• Evaluate and service air induction, exhaust, turbocharging, and emission control systems, ensuring compliance with performance and environmental standards.
• Diagnose and repair diesel fuel delivery and injection systems, including low- and high-pressure systems, electronic controls, and common rail components.
• Interpret and troubleshoot electronic control and diagnostic systems, using digital tools to analyze sensors, actuators, data communication networks, and fault codes.
• Inspect and maintain vehicle chassis, body, and safety systems, including fifth wheel assemblies, wipers, mirrors, cab hardware, lighting, and restraint systems
• Demonstrate professional work habits, technical communication, and adherence to industry standards in all diagnostic, repair, and service activities.