Measurement Definitions
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
The Z Height: The vertical distance from the center of the ball joint cup (1) to the center of lower control arm rear bushing pin (2)
The Z Height dimension measurement determines the proper ride height for the front end of the vehicle. There is no adjustment procedure. Repair may require replacement of suspension parts.
Use the following procedures to measure the p and r dimensions:
- Using your hands, lift the front bumper approximately 38 mm (1.59 in).
- Gently remove your hands and allow the vehicle to settle.
- Repeat the jouncing operation a total of 3 times.
- Measure the vertical distance from the center of ball joint cup to the center of lower control arm rear bushing pin.
- Using your hands, jounce the front of the vehicle downward approximately 38 mm (1.59 in).
- Gently remove your hands and allow the vehicle to settle.
- Repeat the jouncing operation a total of 3 times.
- Measure the Z height dimension.
- The true Z height dimension number is the average of the high and the low measurements. Refer to Trim Height Specifications .