Sep 25, 2022  
2017-2018 
    
2017-2018 [ARCHIVED CATALOG]

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ASEP 204 - Suspension and Steering Level 3

Credits: 1
Practices the diagnostic procedures and repair of suspension and steering systems. Practices NATEF tasks to MAST (Master Automotive Service Technology) level related to suspension and steering systems. Requires meeting all related GM ASEP training requirements.

Prerequisite(s): ASEP 154 .
Corequisite(s): None
Lecture Hours: 15 Lab Hours: 9
Meets MTA Requirement: None
Pass/NoCredit: No

Outcomes and Objectives
  1. Complete general Suspension and Steering Systems Level 3 NATEF tasks as listed below.
    1. Research applicable vehicle and service information, vehicle service history, service precautions, and technical service bulletins.
    2. Identify and interpret suspension and steering system concerns; determine necessary action.B
  2. Complete Level 3 NATEF tasks related to Steering Systems as listed below.
    1. Disable and enable supplemental restraint system (SRS).
    2. Remove and replace steering wheel; center/time supplemental restraint system (SRS) coil (clock spring).
    3. Diagnose steering column noises, looseness, and binding concerns (including tilt mechanisms); determine necessary action.
    4. Diagnose power steering gear (non-rack and pinion) binding, uneven turning effort, looseness, hard steering, and noise concerns; determine necessary action.
    5. Diagnose power steering gear (rack and pinion) binding, uneven turning effort, looseness, hard steering, and noise concerns; determine necessary action.
    6. Inspect steering shaft universal-joint(s), flexible coupling(s), collapsible column, lock cylinder mechanism, and steering wheel; perform necessary action.
    7. Remove and replace rack and pinion steering gear; inspect mounting bushings and brackets.
    8. Inspect rack and pinion steering gear inner tie rod ends (sockets) and bellows boots; replace as needed.
    9. Determine proper power steering fluid type; inspect fluid level and condition.
    10. Flush, fill, and bleed power steering system.
    11. Inspect for power steering fluid leakage; determine necessary action.
    12. Remove, inspect, replace, and adjust power steering pump drive belt.
    13. Remove and reinstall power steering pump.
    14. Remove and reinstall press fit power steering pump pulley; check pulley and belt alignment.
    15. Inspect and replace power steering hoses and fittings.
    16. Replace power steering pump filter(s).
    17. Inspect and replace pitman arm, relay (centerlink/intermediate) rod, idler arm and mountings, and steering linkage damper.
    18. Inspect, replace, and adjust tie rod ends (sockets), tie rod sleeves, and clamps.
    19. Test and diagnose components of electronically-controlled steering systems using a scan tool; determine necessary action
    20. Identify hybrid vehicle power steering system electrical circuits and safety precautions.
  3. Complete Level 3 NATEF tasks related to Suspension Systems as listed below.
    1. Diagnose short and long arm suspension system noises, body sway, and uneven ride height concerns; determine necessary action.
    2. Diagnose strut suspension system noises, body sway, and uneven ride height concerns; determine necessary action.
    3. Inspect, remove and install upper and lower control arms, bushings, shafts, and rebound bumpers.
    4. Inspect, remove and install strut rods and bushings.
    5. Inspect, remove and install upper and/or lower ball joints (with or without wear indicators).
    6. Inspect, remove and install steering knuckle assemblies.
    7. Inspect, remove and install short and long arm suspension system coil springs and spring insulators.
    8. Inspect, remove and install torsion bars and mounts.
    9. Inspect, remove and install front stabilizer bar (sway bar) bushings, brackets, and links.
    10. Inspect, remove and install strut cartridge or assembly, strut coil spring, insulators (silencers), and upper strut bearing mount.
    11. Inspect, remove and install track bar, strut rods/radius arms, and related mounts and bushings.
    12. Inspect rear suspension system leaf spring(s), bushings, center pins/bolts, and mounts.
    13. Inspect electric power-assisted steering.
  4. Complete Level 3 NATEF tasks related to Suspension and Steering Service as listed below.
    1. Inspect, remove, and replace shock absorbers; inspect mounts and bushings.
    2. Remove, inspect, and service or replace front and rear wheel bearings.
    3. Describe the function of the power steering pressure switch.
  5. Complete Level 3 NATEF tasks related to Wheel Alignment as listed below.
    1. Di



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