Expedition 4WD V8-281 4.6L SOHC (1998)
Alignment: Service and Repair
Caster and Camber
1. Loosen the upper suspension arm nuts to a point where the joints are snug.
2. To increase caster and camber, use the following steps.
(1) To increase caster, move the front of the front suspension upper arm outboard and move the rear of the front suspension upper arm inboard.
(2) To increase camber, move the front suspension upper arm outboard equally.
NOTE: A pry bar can be used between the front suspension upper arm and the frame pocket to aid in moving the arm.
3. To decrease caster and camber, use the following steps.
(1) To decrease caster, move the front of the front suspension upper arm inboard and move the rear of the front suspension upper arm outboard.
(2) To decrease camber, move the front suspension on upper arm inboard equally.
4. Set the caster and camber to specifications.
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If a caster increase of 0.9 degree is required, move the front of the front suspension upper arm outboard by 3 notches and move the rear of the
front suspension upper arm inboard by 3 notches.
NOTE: Each increment of the notches on the frame pocket represents 0.3 degree.
