Measuring J-and K Dimensions
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
- Use your hands in order to lift the front bumper of the vehicle up approximately 38 mm (1.5 in). Gently remove your hands in order to allow the vehicle to settle.
- Use your hands in order to push the front bumper of the vehicle down approximately 38 mm (1.5 in). Remove your hands in order to allow the vehicle to rise.
- Measure the J-dimension for the left and right side of the vehicle 604 mm (24 in) from the centerline of the FRONT wheel (1).
- Replace the front springs to correct the front trim height as necessary.
- Use your hands in order to lift the rear bumper of the vehicle up approximately 38 mm (1.5 in). Gently remove your hands in order to allow the vehicle to settle.
- Use your hands in order to push the front bumper of the vehicle down approximately 38 mm (1.5 in). Remove your hands in order to allow the vehicle to rise.
- Measure the K dimension for the left and right side of the vehicle 560 mm (22 in) from the centerline of the REAR wheel (2).
- Replace the rear springs to correct the rear trim height as necessary.