ASEP 153 - Manual Drive Trains and Axles Level 2Credits: 1
Practices the service of manual drive trains and axles. Practices NATEF tasks to AST (Automotive Service Technology) level related to manual drive trains and axles. Requires meeting all related GM ASEP training requirements.
Prerequisite(s): ASEP 103 and ASEP 149 .
Lecture Hours: 15 Lab Hours: 15
Meets MTA Requirement: None
Outcomes and Objectives
- Complete general Manual Drive Train and Axles Level 2 NATEF tasks as listed below.
- Identify and interpret drive train concerns; determine necessary action.
- Research applicable vehicle and service information, fluid type, vehicle service history, service precautions, and technical service bulletins.
- Check fluid condition; check for leaks; determine necessary action.
- Drain and refill manual transmission/transaxle and final drive unit.
- Complete Level 2 NATEF tasks related to Clutches as listed below.
- Diagnose clutch noise, binding, slippage, pulsation, and chatter; determine necessary action.
- Inspect clutch pedal linkage, cables, automatic adjuster mechanisms, brackets, bushings, pivots, and springs; perform necessary action.
- Inspect and replace clutch pressure plate assembly, clutch disc, release (throw-out) bearing and linkage, and pilot bearing/bushing (as applicable).
- Bleed clutch hydraulic system.
- Check and adjust clutch master cylinder fluid level; check for leaks.
- Inspect flywheel and ring gear for wear and cracks; determine necessary action.
- Measure flywheel runout and crankshaft end play; determine necessary action.
- Complete Level 2 NATEF tasks related to Transmission/Transaxles as listed below.
- Inspect, adjust, and reinstall shift linkages, brackets, bushings, cables, pivots, and levers
- Describe the operational characteristics of an electronically-controlled manual transmission/transaxle.
- Complete Level 2 NATEF tasks related to Drive Shafts and Constant-Velocity (CV) Joints as listed below.
- Diagnose constant-velocity (CV) joint noise and vibration concerns; determine necessary action.
- Diagnose universal joint noise and vibration concerns; perform necessary action.
- Inspect, remove, and replace front wheel drive (FWD) bearings, hubs, and seals.
- Inspect, service, and replace shafts, yokes, boots, and universal/CV joints.
- Check shaft balance and phasing; measure shaft runout; measure and adjust driveline angles.
- Complete Level 2 NATEF tasks related to Differentials as listed below.
- Clean and inspect differential housing; check for leaks; inspect housing vent.
- Check and adjust differential housing fluid level.
- Drain and refill differential housing.
- Inspect and replace companion flange and pinion seal; measure companion flange runout.]
- Complete Level 2 NATEF tasks related to Drive Axles as listed below.
- Inspect and replace drive axle wheel studs.
- Remove and replace drive axle shafts.
- Inspect and replace drive axle shaft seals, bearings, and retainers.
- Measure drive axle flange runout and shaft end play; determine necessary action.
- Complete Level 2 NATEF tasks related to Four-wheel Drive/All-wheel Drive as listed below.
- Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets.
- Inspect front-wheel bearings and locking hubs; perform necessary action(s).
- Check for leaks at drive assembly seals; check vents; check lube level.
- Identify concerns related to variations in tire circumference and/or final drive ratios.
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