Delaware County Community College

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AUT 200 - Automotive Automatic Transmission/Transaxle

This course is designed to provide the student with theory and skill in the design construction, inspection, repair, and diagnostic testing of the automatic transmission/transaxle. The student will be prepared to perform diagnostic procedures during the evaluation of the component’s operation to determine if minor or major repairs are required to bring the automatic transmission/transaxle units back to manufacturer’s specifications. In addition, processes to disassemble, measure, inspect, and re-assemble automatic transmission/transaxle units correctly will be stressed. Electronic controls, hydraulic systems, locking and unlocking hubs, and operational modes will be discussed. Emphasis will be placed on servicing four-wheel drive and all-wheel drive systems; transmission clutches, automatic transmission /transaxles maintenance, oil, and filter change procedures will also be covered. Hands-on procedures will be stressed throughout the course.

Upon successful completion of this course, the student should be able to:

  • Demonstrate cautions and safety.
  • Evaluate torque converters, bearings, bushings, and thrust washers.
  • Disassemble, measure, and assemble units.
  • Measure and install new parts as required.
  • Differentiate between 4-wheel drive and all-wheel drive.
  • Evaluate transfer cases, their operation, service, and maintenance.
  • Service 4-wheel drive and all-wheel drive vehicles.
  • Identify hydraulic systems.
  • Lock and unlock hubs.
  • Change transmission fluids and determine their proper usage in various manufacturers’ units.
  • Apply proper procedures for oil and filter change.
  • Remove, overhaul and re-install transmission/transaxle in vehicles.
  • Adjust units back to manufacturer’s specifications.

Prerequisite: Introduction to Automotive Service Operation and Shop Practices (AUT 100)

2 hours lecture, 2 hours laboratory each week 4 credits

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