Sierra 1500 2WD V6-4.3L (2008)
Alignment: Service and Repair
Front Caster and Camber Adjustment
Front Caster and Camber Adjustment
Important: Caster measurements are now relative to ground.
1. The caster and camber adjustments are made by rotating the offset cam bolt and the cam in the slotted frame bracket in order to reposition the
control arm.
Important: Before adjusting the caster and camber angles, jounce the front bumper 3 times to allow the vehicle to return to normal
height. Measure and adjust the caster and the camber with the vehicle at curb height. The front suspension Z dimension is indicated in
Trim Heights. Refer to Trim Height Inspection (See: Suspension/Testing and Inspection/Component Tests and General Diagnostics/Trim
Height Inspection) .
2. For an accurate reading, do not push or pull on the tires during the alignment process.
3. Determine the caster angle (2).
4. Determine the positive camber (2) or negative camber (3) angle.
5. Remove the pinned adjusting cam insert. Do not reinstall the cam insert.
6. Loosen the upper control arm cam adjustment bolts.
Notice: Refer to Fastener Notice .
7. Adjust the caster and the camber angle by turning the cam bolts until the specifications have been met. When the adjustments are complete, hold
