Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Toe-In Curve Adjustment: Notes
When the front wheels compress or rebound, the wheel's toe changes as a function of the compression and rebound travel. The resulting values are called toe-in curve.
The wheel alignment computer determines the toe constant "S" from a value measured in initial position and a value measured in raised position. In the process it compares actual values with specified values and displays them on the screen. Toe-in curve is adjusted when vehicle is in a raised position, by vertical adjustment of the tie-rod end.
Different adapters are needed for lifting, depending on suspension variation. To identify application of suspension and adapter, see Fig 1 . To identify adapter, see SPECIAL TOOLS . To prepare vehicle for checking toe-in curve adjustment, place vehicle in initial position by performing appropriate procedure.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.