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ASE Automobile & Light Truck Suspension and Steering Certification (A4) — Requirements & Free Practice

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ASE Automobile & Light Truck Suspension and Steering Certification (A4)

ASE automobile and light truck technician certification in suspension and steering requires passing A4 and relevant repair-technician work experience.

Licensing authority: National Institute for Automotive Service Excellence · Application information

Initial by examination
ASE Automobile & Light Truck Suspension and Steering (A4)
Work Experience
The ordinary A1-A9 Repair Technician requirement is two years full-time (or part-time equivalent) relevant experience, with ASE-recognized formal education or training credit where applicable. Canadian technicians may use a valid provincial automotive trade certificate as evidence satisfying the one- and two-year Repair Technician requirements. Alternatively, full-time teaching as an instructor, not a teaching assistant, in a high school or post-secondary Auto, M/H Truck, or Collision-Refinish program for four academic years (or part-time equivalent), plus at least 20 hours of technical update training in the last 12 months, satisfies the corresponding two-year requirement; this instructor method cannot be combined with traditional hands-on experience or formal education substitutions. The test may be taken before experience is fulfilled, but certification is withheld until it is fulfilled.

ASE Automobile & Light Truck Suspension and Steering (A4)

Exam questions
Total questions: 50; Scored questions: 40; Unscored questions: 10; The total includes the scored and unscored questions.
Examination outline
  • Steering Systems Diagnosis and Repair (30%)
    • Steering Columns
    • Steering Units
    • Steering Linkage
  • Suspension Systems Diagnosis and Repair (30%)
    • Front Suspensions
    • Rear Suspensions
  • Wheel Alignment Diagnosis, Adjustment, and Repair (28%)
  • Wheel and Tire Diagnosis and Service (12%)
Examination sources