K 1500 Truck 4WD V8-454 7.4L (1988)
Fig. 1 Vehicle trim heights
``Z'' HEIGHT ADJUSTMENT
1. Lift front bumper of vehicle up approximately 1.5 inches (38 mm).
2. Gently remove remove hands and allow vehicle to settle on its own.
3. Repeat this operation twice more for a total of three times.
4. Measure ``Z'' height, Fig. 1.
5. Push front bumper on vehicle down approximately 1.5 inches (38 mm).
6. Gently remove hands and allow vehicle to rise on its own.
7. Repeat this operation twice more for a total of three times.
8. Measure ``Z'' height.
9. Find the average of the high and low measurements. This is the ``Z'' height. ``Z'' height should be 2.89 inches.
``D'' HEIGHT ADJUSTMENT
Use the same procedure used in determining the ``Z'' height.
CAMBER ADJUSTMENT
1. Determine the camber from the alignment equipment.
2. Install adjustment kit No. 15538596.
3. Reset camber to specifications.
