AUT 133 - Automatic Transmission/Transaxle Service and Rebuilding

1. Demonstrate understanding of automatic transmission and transaxle operation
2. Perform Pressure Testing and Diagnose Pressure Control Solenoids, Removal and Installation of a case connector
3. Perform Overhaul Procedures for a FCA Transaxle.
4. Perform Overhaul Procedures for a on a GM Automatic Transmission.
5. Perform Overhaul Procedures for a FCA Automatic Transmission.
6. Perform Overhaul Procedures for a Ford Automatic Transmission.
7. Demonstrate the ability to locate Technical Service Information Transmission Overhaul Procedures for a Vehicle using ProDemand Software.

1. Personal and Environmental Safety
   1. Clothing and personal protection devices.
   2. Fire extinguishers location and use.
   3. Material Safety Data Sheets (MSDS) location and application.
2. Transmission Repair (In-vehicle)
   1. Inspect, adjust or replace (as applicable) vacuum modulator; inspect and repair or replace lines and hoses.
   2. Inspect and replace external seals and gaskets.
   3. Inspect extension housing, bushings and seals; perform necessary action
   4. Inspect, leak test, flush, and replace cooler, lines, and fittings.
   5. Diagnose electronic transmission control systems using a scan tool; determine necessary action.
3. Transmission Repair (Off-vehicle)
   1. Disassemble, clean, and inspect transmission.
   2. Inspect servo bore, piston, seals, pin, spring, and retainers; determine necessary action.
   3. Inspect accumulator bore, piston, seals, spring, and retainer; determine necessary action.
   4. Assemble automatic transmission.
   5. Inspect, measure, and reseal oil pump assembly and components.
   6. Gear Train, Shafts, Bushings and Case.
      1. Measure endplay or preload; determine necessary action.
      2. Inspect, measure, and replace thrust washers and bearings.
      3. Inspect oil delivery seal rings, ring grooves, and sealing surface areas.
   7. Friction and Reaction Units
      1. Inspect clutch drum, piston, check-balls, springs, retainers, seals, and friction and pressure plates; determine necessary action.
      2. Measure clutch pack clearance; determine necessary action.
      3. Air test operation of clutch and servo assemblies.
      4. Inspect roller and sprag clutch, races, rollers, sprags, springs, cages, and retainers; replace as needed.
      5. Inspect bands and drums; determine necessary action.

1. Automatic Transmission Diagnosis and Service
   1. Identify and interpret transmission concern; assure proper engine operation; determine necessary action.
   2. Diagnose fluid usage, level, and condition concerns; determine necessary action
   3. Perform pressure tests; determine necessary action.