Corvette V8-7.0L (2007)
1. Measure from the tip of the front spring adjuster to the top side of the spring.
2. Adjust the front adjuster bolt height if necessary to obtain a height (a) of 24 mm (0.945 in) nominal; Do Not exceed nominal by more than ± 5
mm (0.20 in).
3. Lower the transverse spring back onto the lower control arm and remove the J 42743.
4. Repeat the Z height measurement procedure.
D Height Measurement
The D height dimension measurement determines the proper ride height for the rear end of the vehicle.
1. Lift the rear bumper of the vehicle up about 38 mm (1.5 in) then allow the vehicle to settle.
2. Repeat this operation 2 more times for a total of 3 times.
D Height Measurement
3. Use the J 42854 to measure the distance between the lowest point of the ball joint (2) and the center of the front side of the lower control arm
forward mounting bolt (1). Measure both sides of the vehicle.
4. Push the rear bumper of the vehicle down about 38 mm (1.5 in) then allow the vehicle to rise.
5. Repeat this operation 2 more times for a total of 3 times.
6. Use the J 42854 again to measure the distance between the lowest point of the ball joint (2) and the center of the front side of the lower control
arm forward mounting bolt (1). Measure both sides of the vehicle.
7. The true D height dimension number is the average of the high and low measurements. Refer to Trim Height Specifications.
D Height Adjustment
Important: The D trim height should be the same for the left and right side of the vehicle. The D trim height requires adjustment if one of the
following criteria is met:
*
The measurement from either side of the vehicle is out of specification.
*
The measurements fall within specifications, but the right and left sides are not equal.
