TechnicianVision · Knowledge base
I-CAR Just In Time: Wheel And Suspension Alignment
I-CAR · August 12, 2026
Summary
This I-CAR Just In Time video series explains the critical wheel and suspension alignment angles—camber, steering axis inclination (SAI), caster, and toe. It highlights how suspension damage alters these angles and emphasizes their importance for proper ADAS operation, braking, and tire wear.
What to do on the job
Utilize alignment angle measurements (camber, caster, toe, and SAI) during the diagnostic phase to identify hidden suspension and structural damage before performing an alignment or ADAS calibration.
How to use it
Use this document to justify the necessity of a full wheel alignment and pre-alignment suspension inspection. It serves as supporting evidence that proper alignment is a prerequisite for ADAS calibration and safe vehicle tracking, helping defend the labor time required for diagnostic alignment checks on structural repairs.
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