Front Suspension
1. With the vehicle on a flat surface, lift upward on the front bumper 38 mm (1.5 inches).
2. Release the front bumper and let the vehicle settle into position.
3. Repeat Steps 1 and 2 two more times, and allow the vehicle to settle.
Measure
- The "Z" height. Using a straight edge, locate the bottom flange of the control arm (inside edge of the lower ball joint) and level the straight edge horizontally. With a measuring device, locate the center of the lower control arm bolt and measure to the straight edge, Write down the reading.
4. Push the front bumper downwards to 38 mm (1.5 inches).
5. Release the front bumper and let the vehicle settle into position.
6. Repeat Steps 4 and 5 two more times, and allow the vehicle to settle.
Measure
- The "Z" height. Using a straight edge, locate the bottom flange of the control arm (inside edge of the lower ball joint) and level the straight edge horizontally. With a measuring device, locate the center of the lower control arm bolt and measure to the straight edge. Write down the reading.
7. Average the two measurements. This is the true "Z" height measurement.
- The front suspension trim height should fall within 95.0 mm (3.74 inches) 6 mm (0.236 inches) and not exceed 13 mm (0.5 inches) from side to side.
8. If these measurements are out of specifications inspect the following conditions:
- Sagging front coil springs.
- Sagging rear suspension. D.
- Worn front suspension components, such as control arm bushings and steering linkages.
- Improper tire inflation.
- Improper weight distribution.
- Collision damage. Refer to Body and Frame.