May 21, 2024  
2022-2023 College Catalog 
2022-2023 College Catalog [ARCHIVED CATALOG]

AUT 120 - Engine Diagnosis and Repair

3 Credits, 7 Contact Hours
1 lecture period 6 lab periods

Techniques for light line engine service. Includes personal and environmental safety, general engine diagnosis, lubrication system diagnosis and repair, cooling system diagnosis and repair, cylinder head diagnosis and repair, and engine block diagnosis and repair.

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Course Learning Outcomes
  1. Properly identify engine design and components
  2. Perform crankshaft removal, inspection, and reinstall
  3. Remove and replace engine timing chain
  4. Perform Engine Measurements and determine needed repairs.
  5. Perform full engine teardown and reassembly
  6. Perform teardown, measurement, and reinstall of the engine valve train
  7. Perform general engine diagnostics tests and determine necessary action.

I. Engine Theory

A. Four-Stroke Cycle
B. Cylinder Arrangement
C. Engine Components
D. Lubrication and Cooling System

II. Engine Bottom End Service

A. Boxer Engine Designs
B. Rod Designs
C. Crankshaft R&R

III.Timing Chains

A. Engine Timing
B. Timing Chain Components  
C. Harmonic Dampers
D. Timing Chain R&R

IV. Engine Measurements

A. Piston Inspection and Measurements
B. Crankshaft Inspection and Measurements
C. Cylinder Inspection and Measurements
D. Cam and Crankshaft Endplay measurements
E. Oil Clearances

V. Engine Teardown

A. Timing Belt Operation
B. Engine Fasteners
C. Cylinder Head Gaskets

VI. Engine Top End Service

A. Valve Operation
B. Servicing Valve Seats
C. Overhaul of Valve Train

VII. Engine Mechanical Diagnostics

A. Overview of Engine Drivability 
B. Cylinder Balance Test
C. Cylinder Wet and Dry Compression Test
D. Cylinder Leak Down Test

VIII. Safety and Hazardous Materials Handling 

A. Safe work habits and proper lifting/carrying of materials
B.Proper clothing and protective equipment  
C.Material Safety Data Sheets (MSDS)
D.Occupational Safety Health Administration (OSHA) regulations  
E. Fire extinguishers, exits and evacuation procedures