For 1990-2009 cars only
Tools Required
J 42854 Trim Height Measurement Gage
Important: When adjusting either the right or left rear trim height the opposite side trim height will be effected.
Trim height should be measured with a full tank of gas and zero passengers or cargo. An alignment hoist should be checked periodically to assure that both runners are the same height off the ground, side-to-side and front-to-rear.- Place the vehicle on an alignment rack.
- Set the tire air pressure to the proper pressure.
- Manually lift the rear of the vehicle up approximately 38 mm (1½ in), gently remove hands and let the vehicle settle.
- Repeat the above step two more times for a total of three times.
- Use J 42854 to measure the distance between the lowest point of the ball joint and the center of the front side of the lower control arm mounting bolt.
- Manually push the rear of the vehicle down approximately 38 mm (1½ in), gently remove hands and let the vehicle settle.
- Repeat the above step two more times for a total of three times.
Measure both the right and left sides of the vehicle. Refer to Trim Height Specifications .
