Diesel Mechanics Technology
10 courses · Palomar College · 2026-2027 Catalog
Classes: Fall 2026 · Spring 2027
DMT 70 Medium-Duty Diesel Engine Tune-Up
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
The use of diesel tune-up and diagnostic equipment. Topics include: fuel systems; compression testing; fuel pump and injection timing; troubleshooting procedures; alternators, regulators, and starting systems.
DMT 100 Introduction to Diesel Mechanics
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Transfers to
- CSU
Theory and practice of fundamental skills for the maintenance and operation of basic diesel engines. Topics for study include: basic theory of operation; engine applications; engine lubricating and cooling; intake, exhaust and fuel systems; and electronic control.
DMT 105 Heavy-Duty Diesel Tune-Up and Engine Analysis
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Prerequisite
- DMT 100
- Transfers to
- CSU
The use of software and diagnostic equipment in performing diesel tune-up. Topics include: theory of operation, tune-up procedures, fuel system function and repair, diagnostic equipment usage, electronic engine controls, mechanical and electronic engine system troubleshooting.
DMT 110 Heavy-Duty Electricity
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Transfers to
- CSU
Heavy-duty electricity systems principles and service. Topics of study include electrical theory, batteries, wiring diagrams, 12V and 24V starters, alternators and electrical troubleshooting, and test equipment.
DMT 115 Alternative Fuels
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Advisory
- DMT 100
- Transfers to
- CSU
Theory and servicing of alternative fueled engines. Topics for study include various types of fuels, fuel handling and safety procedures, basic principles, regulators and mixers, all system components operation and service, electronic control systems, and emission testing.
DMT 120 Air Brake Systems
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Transfers to
- CSU
The service and repair of heavy-duty hydraulic and air brake systems and their components. Topics of study include brake troubleshooting, complete system repair, anti-skid brake system, and related axle services.
DMT 125 Truck Transmission And Drive Lines
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Transfers to
- CSU
Service and repair of heavy-duty truck drive lines. Topics for study include the disassembly, inspection and reassembly of single and multiple disc clutches, four to fifteen speed transmissions, universal joints, and differentials.
DMT 135 Basic Hydraulics
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Transfers to
- CSU
Basic hydraulic system principles and service. Topics of study include hydraulic theory, safety requirements, hydraulic diagrams and ISO symbols, component operation, service and repair troubleshooting, and test equipment usage.
DMT 200 Diesel Engine Rebuilding I
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Prerequisite
- DMT 100 Recommended Preparation: DMT 105
- Transfers to
- CSU
Theory and practice in rebuilding diesel engines. Topics for study include disassembly, cleaning, inspection, and analysis of engine parts. Also included are cylinder head service, sleeve and piston service, advanced machining and measuring techniques.
DMT 201 Diesel Engine Rebuilding II
- Units
- 4
- Hours
- 3.00 hours lecture, 3.00 hours lab
- Prerequisite
- DMT 200
- Transfers to
- CSU
Theory and practice in rebuilding diesel engines. Topics for study include final cleaning, inspection and reassembly of engine parts. Also included are assembly measuring, torque procedures and torque-turn methods used on engine assembly, and engine testing upon completion of assembly.