1. 2013 NATEF Task Area A-2 Automatic Transmission 7-2013 A. General Transmission & Transaxle Diagnosis B. Transmission & Transaxle Maintenance & Adjustment C. In-Vehicle Transmission & Transaxle Repair D. Off-Vehicle Transmission & Transaxle Repair Typical Rubric for NATEF Competencies 1 = Demonstrated Exposure and has observed the competency 2 = Applies the competency but only mastered a few essential attributes 3 = Capable of the competency but needs further practice 4 = Performs the competency satisfactorily [Proficient] 5 = Mastered the competency [Exemplary]

2. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Identify and interpret transmission/transaxle concern, differentiate between engine performance and transmission/transaxle concerns; determine necessary action. A2.A.1 P-1

3. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Research applicable vehicle and service information fluid type, vehicle service history, service precautions, and technical service bulletins. A2.A.2 P-1

4. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Diagnose fluid loss and condition concerns; determine necessary action. A2.A.3 P-1

5. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Check fluid level in a transmission or a transaxle equipped with a dip-stick. A2.A.4 P-1

6. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Check fluid level in a transmission or a transaxle not equipped with a dip-stick. A2.A.5 P-1

7. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Perform pressure tests (including transmissions/transaxles equipped with electronic pressure control); determine necessary action. A2.A.6 P-1

8. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Diagnose noise and vibration concerns; determine necessary action. A2.A.7 P-2

9. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Perform stall test; determine necessary action. A2.A.8 P-3

10. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Perform lock-up converter system tests; determine necessary action. A2.A.9 P-3

11. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven, and held member (power flow) principles. A2.A.10 P-1

12. NATEF Task Area A-2 Automatic Transmission & Transaxle P-1 A. General Transmission & Transaxle Diagnosis Diagnose electronic transmission/transaxle control systems using appropriate test equipment and service information. A2.A.11

13. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Diagnose pressure concerns in a transmission using hydraulic principles (Pascal’s Law). A2.A.12 P-2

14. NATEF Task Area A-2 Automatic Transmission & Transaxle P-2 B. In-Vehicle Transmission & Transaxle Repair Inspect, adjust, and replace external manual valve shift linkage, transmission range sensor/switch, and park/neutral position switch. A2.B.1

15. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect for leakage; replace external seals, gaskets, and bushings. A2.B.2 P-2

16. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect, test, adjust, repair, or replace electrical/electronic components and circuits including computers, solenoids, sensors, relays, terminals, connectors, switches, and harnesses. A2.B.3 P-1

17. NATEF Task Area A-2 Automatic Transmission & Transaxle Drain and replace fluid and filter(s). A2.B.4 B. In-Vehicle Transmission & Transaxle Repair P-1

18. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect powertrain mounts. A2.B.5 P-2

19. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Remove and reinstall transmission/transaxle and torque converter; inspect engine core plugs, rear crankshaft seal, dowel pins, dowel pin holes, and mating surfaces. A2.C.1 P-1

20. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Remove and reinstall transaxle and torque converter assembly. “Oldie”

21. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect, leak test, and flush or replace transmission/transaxle oil cooler, lines, and fittings. A2.C.2 P-1

22. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect converter flex (drive) plate, converter attaching bolts, converter pilot, converter pump drive surfaces, converter end play, and crankshaft pilot bore. A2.C.3 P-2

23. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Describe the operational characteristics of a continuously variable transmission (CVT). A2.C.4 P-3

24. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Describe the operational characteristics of a hybrid vehicle drive train. A2.C.5 P-3

25. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Disassemble, clean, and inspect transmission & transaxle. P-3 A2.C.6

26. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect, measure, clean, and replace valve body (includes surfaces and bores, springs, valves, sleeves, retainers, brackets, check-balls, screens, spacers, and gaskets), and torque valve body bolts. A2.C.7 P-3

27. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect servo bore, piston, seals, pin, spring, and retainers; determine necessary action. A2.C.8 P-3

28. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Assemble transmission/transaxle. A2.C.9 P-3

29. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Assemble transmission/transaxle. A2.C.9 P-3

30. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect, measure, and reseal oil pump (F & R) assembly and components. A2.C.10 P-3

31. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Measure endplay or preload; determine necessary action. A2.C.11 P-1

32. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect, measure, and replace thrust washers and bearings. A2.C.12 P-3

33. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect oil delivery circuits, including seal rings, ring grooves, and sealing surface areas, feed pipes, orifices, and check valves/balls. A2.C.13 P-3

34. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect bushings; determine necessary action. A2.C.14 P-3

35. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect extension housing, bushings and seals; perform necessary action. “Oldie”

36. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect and measure planetary gear assembly (includes sun, ring gear, thrust washers, planetary gears. and carrier assembly); determine necessary action. A2.C.15 P-3

37. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect case bores, passages, bushings, vents, and mating surfaces; determine necessary action. A2.C.16 P-3

38. NATEF Task Area A-2 Automatic Transmission & Transaxle D. Off-Vehicle Transmission & Transaxle Repair Inspect, measure, and replace thrust washers and bearings. “Oldie”

39. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Diagnose and inspect transaxle drive, link chains, sprockets, gears, bearings, and bushings; perform necessary action. A2.C.17 P-3

40. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect, measure, repair, adjust or replace transaxle final drive components. A2.C.18 P-3

41. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect clutch drum, piston, check-balls, springs, retainers, seals, friction and pressure plates; determine necessary action. A2.C.19 P-3

42. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Measure clutch pack clearance; determine necessary action. A2.C.20 P-1

43. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Air test operation of clutch and servo assemblies. A2.C.21 P-1

44. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect roller and sprag clutch, races, rollers, sprags, springs, cages, and retainers; determine necessary action. A2.C.22 P-3

45. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven, and held member (power flow) principles. Carrier drives = overdrive Carrier driven = reduction Carrier held = reverse Two members held = direct drive Nothing driven or held = neutral Parking Pawl engaged to the output shaft = park “Oldie”

46. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Diagnose electrical/electronic concerns using principles of electricity (Ohms' Law). “Oldie”

47. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect and reinstall parking pawl, shaft, spring, and retainer; determine necessary action. “Oldie”

48. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect bands and drums; determine necessary action. “Oldie”

49. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Inspect accumulator bore, piston, seals, spring, and retainer; determine necessary action. “Oldie”

50. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Diagnose mechanical and vacuum control system concerns; determine action. “Oldie”

51. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect, adjust or replace (as applicable) vacuum modulator; inspect and repair or replace lines and hoses. “Oldie”

52. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect, repair, and replace governor assembly. “Oldie”

53. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect and replace external seals and gaskets. “Oldie”

54. NATEF Task Area A-2 Automatic Transmission & Transaxle B. In-Vehicle Transmission & Transaxle Repair Inspect and replace speedometer drive gear, driven gear, vehicle speed sensor (VSS), and retainers. “Oldie”

55. NATEF Task Area A-2 Automatic Transmission & Transaxle C. Off-Vehicle Transmission & Transaxle Repair Measure torque converter endplay and check for interference; check stator one- way clutch. “Oldie”

56. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Complete work order to include customer information, vehicle identifying information, verify customer concern, related service history, cause, & correction. “Oldie”

57. NATEF Task Area A-2 Automatic Transmission & Transaxle A. General Transmission & Transaxle Diagnosis Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, calibration decals). “Oldie”