Mar 29, 2024  
2018 - 2019 Catalog 
    
2018 - 2019 Catalog [ARCHIVED CATALOG]

Add to Portfolio (opens a new window)

AUT 212W - Suspension System Service

Credits: 7


Studies frame, steering, and suspension system terminology, operation, and diagnosis. Develops skills in frame, unibody, steering, suspension, four wheel drive and four wheel alignment.

Prerequisite(s): AUT 100  and AUT 108  each with a minimum grade of "C" (2.0)
Corequisite(s): AUT 210W , AUT 214W  
Lecture Hours: 56 Lab Hours: 84
Meets MTA Requirement: None
Pass/NoCredit: No

Outcomes and Objectives 1.    Diagnose general suspension and steering systems.  Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks
       as listed 
below.    

     A.          Identify and interpret suspension and steering concern; determine necessary action.  P-1

     B.          Research applicable vehicle and service information, such as suspension and steering system operation, vehicle service history, service
                   precautions, and technical service bulletins.  P-1

     C.          Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, calibration decals).  P-1

 2.    Diagnose and repair steering systems.  Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed
        below.

     A.          Disable and enable supplemental restraint system (SRS).  P-1

     B.          Remove and replace steering wheel; center/time supplemental restraint system (SRS) coil (clock spring).  P-1

     C.          Diagnose steering column noises, looseness, and binding concerns (including tilt mechanisms); determine necessary action.  P-2

     D.         Diagnose power steering gear (non-rack and pinion) binding, uneven turning effort, looseness, hard steering, and fluid leakage concerns;
                  determine necessary action.  P-3

     E.          Diagnose power steering gear (rack and pinion) binding, uneven turning effort, looseness, hard steering, and fluid leakage concerns;
                  determine necessary action.  P-3

     F.          Inspect steering shaft universal-joint(s), flexible coupling(s), collapsible column, lock cylinder mechanism, and steering wheel; perform
                  necessary action.  P-2

     G.         Adjust manual or power non-rack and pinion worm bearing preload and sector lash.  P-3

     H.         Remove and replace manual or power rack and pinion steering gear; inspect mounting bushings and brackets.  P-1

     I.          Inspect and replace manual or power rack and pinion steering gear inner tie rod ends (sockets) and bellows boots.  P-1

     J.          Inspect power steering fluid levels and condition.  P-1

     K.          Flush, fill, and bleed power steering system.  P-2

     L.          Diagnose power steering fluid leakage; determine necessary action.  P-2

     M.         Remove, inspect, replace, and adjust power steering pump belt.

     N.         Remove and reinstall power steering pump.

     O.         Remove and reinstall power steering pump pulley; check pulley and belt alignment.  P-3

     P.          Inspect and replace power steering hoses and fittings.  P-2

     Q.         Inspect and replace pitman arm, relay (centerlink/intermediate) rod, idler arm and mountings, and steering linkaage damper.  P-2

     R.          Inspect, replace, and adjust tie rod ends (sockets), tie rod sleeves, and clamps.  P-1

     S.          Test and diagnose components of electronically controlled steering systems using a scan tool; determine necessary action.  P-3

3.    Diagnose and repair suspension systems.  Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed
       below.

     A.          Diagnose short and long arm suspension system noises, body sway, and uneven riding height concerns; determine necessary action.  P-1

     B.          Diagnose strut suspension system noises, body sway, and uneven riding height concerns; determine necessary action.  P-1

     C.          Remove, inspect, and install upper and lower control arms, bushings, shafts, and rebound bumpers.  P-3

     D.          Remove, inspect and install strut rods (compression/tension) and bushings.  P-2

     E.          Remove, inspect, and install upper and/or lower ball joints.  P-2

     F.          Remove, inspect, and install steering knuckle assemblies.  P-2

     G.         Remove, inspect, and install short and long arm suspension system coil springs and spring insulators.  P-2

     H.         Remove, inspect, install, and adjust suspension system torsion bars; inspect mounts.  P-3

     I.          Remove, inspect, and install stabilizer bar bushings, brackets, and links.  P-2

     J.          Remove, inspect, and install strut cartridge or assembly, strut coil spring, insulators (silencers), and upper strut bearing mount.  P-1

     K.          Lubricate suspension and steering systems.  P-2

4.    Diagnose and repair rear suspension systems.  Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as
       listed below.

     A.          Remove, inspect, and install coil springs and spring insulators.  P-2

     B.          Remove, inspect, and install transverse links, control arms, bushings, and mounts.  P-2

     C.          Remove, inspect, and install leaf springs, leaf spring insulators (silencers), shackles, brackets, bushings, and mounts.  P-3

     D.         Remove, inspect, and install strut cartridge or assembly, strut coil spring, and insulators (silencers).  P-2

5.    Diagnose and repair miscellaneous service.  Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed
       below.

     A.          Inspect, remove, and replace shock absorbers.  P-1

     B.          Remove, inspect, and service or replace front and rear wheel bearings.  P-1

     C.          Test and diagnose components of electronically controlled suspension systems using a scan tool; determine necessary action.  P-3

 6.    Diagnose, adjust, and repair wheel alignment.  Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as
        listed below.

     A.         Differentiate between steering and suspension concerns using principles of steering  geometry (caster, camber, toe, etc).  P-1

     B.         Diagnose vehicle wander, drift, pull, hard steering, bump steer, memory steer, torque steer, and steering return concerns; determine
                 necessary action.  P-1

     C.        Perform prealignment inspection; perform necessary action.  P-1

     D.        Measure vehicle riding height; determine necessary action  P-1

     E.        Check and adjust front and rear wheel camber; perform necessary action.  P-1

     F.         Check and adjust caster; perform necessary action.  P-1

     G.        Check and adjust front wheel toe; adjust as needed.  P-1

     H.        Center steering wheel.  P-1

     I.          Check toe-out-on-turns (turning radius); determine necessary action.  P-2

     J.         Check SAI (steering axis inclination) and included angle; determine necessary action.  P-2

     K.         Check and adjust rear wheel toe.  P-2

     L.          Check rear wheel thrust angle; determine necessary action.  P-2

     M.         Check for front wheel setback; determine necessary action.  P-2

     N.         Check front cradle (subframe) alignment; determine necessary action.  P-3

7.    Diagnose and repair wheel and tire.  Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.
     A.          Diagnose tire wear patterns; determine necessary action.  P-1

     B.          Inspect tires; check and adjust air pressure.  P-1

     C.          Diagnose wheel/tire vibration, shimmy, and noise; determine necessary action.  P-2

     D.          Rotate tires according to manufacturer's recommendations.  P-1

     E.          Measure wheel, tire, axle, and hub runout; determine necessary action.  P-2

     F.          Diagnose tire pull (lead) problem; determine necessary action.  P-2

     G.         Balance wheel and tire assembly (static and dynamic).  P-1

     H.         Dismount, inspect, repair, and remount tire on wheel.  P-2

     I.          Reinstall wheel; torque lug nuts.  P-1

     J.          Inspect and repair tire.  P-2
8.    Write effectively.

     A.          Practice writing essay unit tests and quizzes.

     B.          Practice writing service repair orders (concern, cause, correction).

     C.          Practice writing daily assignments.

     D.         Practice writing weekly feedback to instructor.



Add to Portfolio (opens a new window)