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ACR-HS.s3.t01

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(ARC) Standard 3:
Mechanical and Electrical Components

ACR-HS.s3.t01 Suspension and Steering

proficiency scale iconProficiency Scale

Students Competencies...

  • Perform visual inspection and measuring checks to identify steering and suspension collision damage.
  • Identify one–time use fasteners.
  • Clean, inspect, and prepare reusable fasteners.
  • Remove, replace, inspect or adjust power steering pump, pulleys, belts, hoses, fittings and pump mounts.
  • Remove and replace power steering gear (non-rack and pinion type).
  • Inspect, remove, and replace power rack and pinion steering gear and related components.
  • Inspect and replace parallelogram steering linkage components.
  • Inspect, remove and replace upper and lower control arms and related components.
  • Inspect, remove and replace steering knuckle/spindle/hub assemblies (including bearings, races, seals, etc.).
  • Inspect, remove and replace front suspension system coil springs and spring insulators (silencers).
  • Inspect, remove, replace, and adjust suspension system torsion bars, and mounts.
  • Inspect, remove and replace stabilizer bar bushings, brackets, and links.
  • Inspect, remove and replace MacPherson strut or assembly, upper bearing, and mount.
  • Inspect, remove, and replace rear suspension system transverse links, control arms, stabilizer bars, bushings, and mounts.
  • Inspect, remove, and replace suspension system leaf spring(s) and related components.
  • Inspect axle assembly for damage and misalignment.
  • Inspect, remove and replace shock absorbers.
  • Diagnose, inspect, adjust, repair or replace active suspension systems and associated lines and fittings.
  • Measure vehicle ride height and wheel base; determine necessary action.
  • Inspect, remove, replace, and align front and rear frame (cradles/sub).
  • Diagnose and inspect steering wheel, steering column, and components.
  • Verify proper operation of steering systems including electronically controlled, hydraulic and electronically assisted steering systems.
  • Diagnose front and rear suspension system noises and body sway problems; determine necessary action.
  • Diagnose vehicle wandering, pulling, hard steering, bump steer, memory steering, torque steering, and steering return problems; determine necessary action.
  • Demonstrate an understanding of wheel, suspension, and steering alignments (caster, camber, toe, SAI etc.).
  • Diagnose tire wear patterns; determine cause.
  • Inspect tires; identify direction of rotation and location; check tire size, tire pressure monitoring system (TPM) and adjust air pressure.
  • Diagnose wheel/tire vibration, shimmy, tire pull (lead), wheel hop problems; determine needed repairs.
  • Measure wheel, tire, axle, and hub runout; determine needed repairs.
  • Reinstall wheels and torque lug nuts.
  • Perform initialization or calibration procedures following suspension and/or steering system repairs.

Proficiency Scale

The student can...
1 Beginning

with help, demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content).

2 Developing

demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).

3 Proficient "The Standard."

demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.

4 Advanced

demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.

» (ACR) Standards Glossary