Edmunds Answers

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  • MrShift@Edmunds 08/25/10 6:24 pm PST






    Camber and caster angle adjustments involve changing the position of the upper suspension arm pivot bar. On 4x2 vehicles Adjuster C-4576 can be used to make camber/caster adjustments.

    Caster
    Moving the rear position of the pivot bar in or out, will change the caster angle significantly and camber angle only slightly. To maintain the camber angle while adjusting caster, move the rear of the pivot bar in or out. Then move the front of the pivot bar slightly in the opposite direction. The caster angle should be adjusted to preferred specification.

    NOTE: For example, to increase a positive caster angle, move the rear position of the pivot bar inward (toward the engine). Move the front of pivot bar outward (away from the engine) slightly until the original camber angle is obtained.

    Camber
    Move the front of the pivot bar in or out. This will change the camber angle significantly and caster angle slightly. The camber angle should be adjusted to preferred specification.

    After adjustment is made tighten the pivot bar nuts to proper torque specification.

    TOE ADJUSTMENT
    The wheel toe position adjustment is the final adjustment.

    1. Start the engine and turn wheels both ways before straightening the wheels. Secure the steering wheel with the front wheels in the straight-ahead position.
    2. Loosen the tie rod jam nuts.

    NOTE: Each front wheel should be adjusted for one-half of the total toe position specification. This will ensure the steering wheel will be centered when the wheels are positioned straight-ahead.



    1. Adjust the wheel toe position by turning the tie rod as necessary.
    2. Tighten the tie rod jam nut to 75 Nm (56 ft. lbs.).


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