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Home >> GMC >> 2005 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension General Diagnosis >> Diagnostic Information and Procedures >> Trim Height Inspection Procedure >> Z Height Adjustment

Z Height Adjustment

    Fig 1: Adjusting Z Height
    GM0000092Courtesy 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 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.