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Sinclair College

AUT 2374 GM Six-Speed Automatic Transmission/Transaxle Mechanical Service

This course provides an introduction to the 6T70/75 six-speed front- wheel drive Hydramatic transaxle and the 6L80/90 six-speed rear- wheel drive Hydramatic transmission. One full day will be spent on each unit performing a complete teardown and reassembly. All special tools will be introduced and available for use. Bearing preload procedures and clutch pack travel measurements will be performed by participants.

Prerequisites: NONE

Course Outcomes
  • Identify the operation of the 6T70/75 and 6L80/90 hydraulic and mechanical components.
  • : Demonstrate ability to locate service information relating to the 6T70/75 and 6L80/90 transmissions.
  • Use service information and special tools to overhaul and repair the GM 6T70/75 and 6L80/90 transmissions.
Credit Hours: 1
  • Classroom: 1 hour
  • Division: Science, Mathematics and Engineering
  • Department: Automotive Technology
  • Repeatable Credit: No
  • Offered Online: No
Available Sections
Not currently offered this term