Suspension Control ( Automatic - Electronic ): Adjustments
1. Position vehicle on level surface.
2. Ensure air suspension switch is in ON position, then turn ignition switch to Run position, waiting about 2 minutes.
3. Rock vehicle sideways to remove effect of suspension friction, then allow to settle.
4. Turn air suspension switch to Off position.
Vertical ``D'' Dimension:
5. Measure vertical dimension from rear axle tube frame inboard reinforcement rail.
Ride Height ``D'' Dimension:
6. Position suitable height gauge, then measure rear ride height ``D'' dimension.
Vertical ``D'' Dimension:
7. If ``D'' ride height dimension is not within specifications, adjust by moving rear height sensor attaching bracket up or down. Moving bracket one index mark up or down will change vertical ``D'' dimension about .35 inch.
Height Sensor Adjustment:
8. After adjustment is made, repeat steps 4 through 6.