ATC 355 - Chrysler Automatic Drivetrains

1. Relate the operation of an automatic transaxle gear train
   1. Discuss power flow
   2. Inspect planetary gear sets
   3. Demonstrate the steps in the repair of clutch pack assemblies
   4. Explain electronic shift transmission/transaxle operation
2. Associate the operation of a torque converter with its components
   1. Perform lock-up converter tests
   2. Inspect converters
   3. Test converter end play
3. Examine the operation of transmission valves
   1. Discuss hydraulic circuits
   2. Relate electronic controls to hydraulic circuits
   3. Perform pressure tests
   4. Repair governors (if applicable)
   5. Adjust throttle valve cable (if applicable)
   6. Replace vacuum modulators (if applicable)
4. Recondition an automatic transmission/transaxle
   1. Remove an automatic transmission/transaxle
   2. Disassemble a transmission
   3. Inspect all components
   4. Determine if the hard parts can be reused
   5. Rebuild clutch assemblies, servos, pumps, and gear trains
   6. Air test clutch packs
   7. Locate adjustment specifications for the transmission
   8. Perform adjustments as outlined in the Shop manual
   9. Demonstrate proper use of special tools
   10. Assemble the transmission to manufacturer’s specifications
   11. Reinstall the transmission
   12. Flush transmission oil cooler
5. Maintain automatic transmissions/transaxles
   1. Check fluid level and condition
   2. Service filter and fluid
   3. Perform recommended adjustments
6. Repair automatic transmission/transaxle concerns
   1. Perform hydraulic pressure tests and air pressure checks
   2. Apply knowledge of transmission circuits and components during diagnostic routines
   3. Interpret automatic transmission powerflow
   4. Conduct a road test
   5. Analyze the information that has been gathered
   6. Describe how vacuum modulators and throttle pressure work to boost line pressure
   7. Explain the transmission electronic control system
   8. Test transmission related inputs
   9. Test transmission related outputs
   10. Diagnose transmission drivability concerns