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D Height Measurement

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The D height dimension measurement determines the proper rear end ride height. There is no adjustment procedure. Repair may require replacement of suspension components.

  1. With the vehicle on a flat surface, lift upward on the rear bumper 38 mm (1.5 in).
  2. Gently remove your hands. Allow the vehicle to settle into position.
  3. Repeat the jouncing operation 2 more times for a total of 3 times.
  4. The D height is measured from a point 30 mm (1.1 in) outboard of the rear brake hose bracket bolt centerline to the bolt centerline of the trailing arm to the knuckle attachment. See Figure .
  5. Push the rear bumper downward to 38 mm (1.5 in).
  6. Gently remove your hands. Allow the vehicle to settle into position.
  7. Repeat the jouncing operation 2 more times for a total of 3 times.
  8. Measure the D height dimension.
  9. The true D height dimension number is the average of the high and the low measurements. Refer to TRIM HEIGHT SPECIFICATIONS  .
  10. If these measurements are out of specifications, inspect for improper weight distribution, collision damage, or worn or damaged suspension components.
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