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Z Height Adjustment

Fig 1: Checking Z Height Adjustment
G01667581Courtesy of GENERAL MOTORS CORP.
  1. For vehicles equipped with a torsion bar suspension turn the bolt (1) that contacts the torsion arm clockwise to raise the and counterclockwise to raise the and counterclockwise to lower the height adjustment. One revolution of the bolt (1) into the nut increases the Z height by approximately 6.0 mm (0.2 in).
  2. For vehicles without torsion bars, replace damaged or worn components as necessary.