Sep 17, 2019  
2018-2019 Course Catalog 
    
2018-2019 Course Catalog [ARCHIVED CATALOG]

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AUT 243 - Adv Automotive Powertrain

Credits: 6
Lecture Hours: 2
Lab Hours: 8
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
The student will study powertrain and drive line systems. Proper diagnosis procedures, service and repair will be emphasized through hands-on experience.
Prerequisite:   
Competencies
  1. Demonstrate safe work habits.
    1. Use proper eye protection.
    2. Select proper tools to work in a safe manner.
    3. Demonstrate a concern for the safety of fellow workers.
  2. General Drivetrain Diagnosis-Automatic Transmission/Transaxle.
    1. Identify and interpret transmission/transaxle concern, differentiate between engine performance and transmission/transaxle concerns; determine necessary action.
    2. Research applicable vehicle and service information fluid type, vehicle service history, service precautions, and technical service bulletins.
    3. Diagnose fluid loss and condition concerns; determine necessary action.
    4. Check fluid level in a transmission or a transaxle equipped with a dip-stick.
    5. Check fluid level in a transmission or a transaxle not equipped with a dip-stick.
    6. Perform pressure tests (including transmissions/transaxles equipped with electronic pressure control); determine necessary action.
    7. Diagnose noise and vibration concerns; determine necessary action.
    8. Perform stall test; determine necessary action.
    9. Perform lock-up converter system tests; determine necessary action.
    10. Diagnose electronic transmission/transaxle control systems using appropriate test equipment and service information.
    11. Diagnose pressure concerns in a transmission using hydraulic principles (Pascal’s Law).
  3. In-Vehicle Automatic Transmission/Transaxle Maintenance and Repair.
    1. Inspect, adjust, and replace external manual valve shift linkage, transmission range sensor/switch, and park/neutral position switch.
    2. Inspect for leakage; replace external seals, gaskets, and bushings.
    3. Inspect, test, adjust, repair, or replace electrical/electronic components and circuits including computers, solenoids, sensors, relays, terminals, connectors, switches, and harnesses.
    4. Inspect, replace and align powertrain mounts.
  4. Transmission and Transaxle Repair.
    1. Remove and reinstall transmission/transaxle and torque converter; inspect engine core plugs, rear crankshaft seal, dowel pins, dowel pin holes, and mating surfaces.
    2. Inspect, leak test, and flush or replace transmission/transaxle oil cooler, lines, and fittings.
    3. Inspect converter flex (drive) plate, converter attaching bolts, converter pilot, converter pump drive surfaces, converter end play, and crankshaft pilot bore.
    4. Remove and repair automatic transmission/transaxle as needed.
  5. Manual Drivetrain and Axle General Diagnosis.
    1. Identify and interpret drive train concerns; determine necessary action.
    2. Research applicable vehicle and service information, fluid type, vehicle service history, service precautions, and technical service bulletins.
    3. Check fluid condition; check for leaks; determine necessary action.
    4. Drain and refill manual transmission/transaxle and final drive unit.
  6. Clutch Diagnosis and Repair.
    1. Diagnose clutch noise, binding, slippage, pulsation, and chatter; determine necessary action.
    2. Inspect clutch pedal linkage, cables, automatic adjuster mechanisms, brackets, bushings, pivots, and springs; perform necessary action.
    3. Inspect and replace clutch pressure plate assembly, clutch disc, release (throw-out) bearing and linkage, and pilot bearing/bushing (as applicable).
    4. Bleed clutch hydraulic system.
    5. Check and adjust clutch master cylinder fluid level; check for leaks.
    6. Inspect flywheel and ring gear for wear and cracks; determine necessary action.
    7. Measure flywheel runout and crankshaft end play; determine necessary action.
  7. Manual Transmission/Transaxle Diagnosis and Repair.
    1. Inspect, adjust, and reinstall shift linkages, brackets, bushings, cables, pivots, and levers.
    2. Describe the operational characteristics of an electronically-controlled manual transmission/transaxle.
    3. Diagnose noise concerns through the application of transmission/transaxle power flow principles.
    4. Diagnose hard shifting and jumping out of gear concerns; determine necessary action.
    5. Diagnose transaxle final drive assembly noise and vibration concerns; determine necessary action.
    6. Remove and repair manual transmission/transaxle as needed.
  8. Constant Velocity Shaft /Drive Shaft and Universal Joint Service.
    1. Identify types of constant velocity (CV) joints and explain their operation.
    2. Identify types of universal joints and explain their operation.
    3. Diagnose constant-velocity (CV) joint noise and vibration concerns; determine necessary action.
    4. Diagnose universal joint noise and vibration concerns; perform necessary action.
    5. Inspect, service, and replace shaft center support bearings.
    6. Inspect, service, and replace shafts, yokes, boots, and universal/CV joints.
    7. Check shaft balance and phasing; measure shaft runout; measure and adjust driveline angles.
  9. Ring and Pinion Gears and Differential Case Diagnosis and Repair.
    1. Diagnose noise and vibration concerns; determine necessary action.
    2. Inspect and replace companion flange and pinion seal; measure companion flange runout.
    3. Inspect ring gear and measure runout; determine necessary action.
    4. Remove, inspect, and reinstall drive pinion and ring gear, spacers, sleeves, and bearings.
    5. Measure and adjust drive pinion depth.
    6. Measure and adjust drive pinion bearing preload.
    7. Measure and adjust side bearing preload and ring and pinion gear total backlash and backlash variation on a differential carrier assembly (threaded cup or shim types).
    8. Check ring and pinion tooth contact patterns; perform necessary action.
    9. Disassemble, inspect, measure, and adjust or replace differential pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case.
    10. Reassemble and reinstall differential case assembly; measure runout; determine necessary action.
    11. Diagnose limited slip differential noise, slippage, and chatter concerns; determine necessary action.
    12. Measure limited slip differential rotating torque; determine necessary action.
    13. Inspect and replace drive axle wheel studs.
    14. Remove and replace drive axle shafts.
    15. Inspect and replace drive axle shaft seals, bearings, and retainers.
    16. Measure drive axle flange runout and shaft end play; determine necessary action.
    17. Diagnose drive axle shafts, bearings, and seals for noise, vibration, and fluid leakage concerns; determine necessary action.
  10. Four-wheel Drive/All-wheel Drive Component Diagnosis and Repair.
    1. Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets.
    2. Inspect front-wheel bearings and locking hubs; perform necessary action(s).
    3. Check for leaks at drive assembly seals; check vents; check lube level.
    4. Identify concerns related to variations in tire circumference and/or final drive ratios.
    5. Diagnose noise, vibration, and unusual steering concerns; determine necessary action.
    6. Diagnose, test, adjust, and replace electrical/electronic components of four-wheel drive systems.
    7. Remove and repair transfer case as needed.



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