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D Height Measurement

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: 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). Gently remove your hands. Allow the vehicle to settle into position. Repeat the jouncing operation 2 more times for a total of 3 times.
  2. Measure the D height by measuring the distance between the bumper bracket and the top of the rear axle tube. See Fig 1.
  3. Push the rear bumper downward to 38 mm (1.5 in). Gently remove your hands. Allow the vehicle to settle into position.
  4. Repeat the jouncing operation 2 more times for a total of 3 times. Measure the D height dimension.
  5. The true D height dimension number is the average of the high and the low measurements. Refer to TRIM HEIGHT SPECIFICATIONS .
  6. If these measurements are out of specifications, inspect for improper weight distribution, collision damage, worn or damaged suspension components.
Fig 1: D Height Measurement
G00369433Courtesy of GENERAL MOTORS CORP.
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