LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 735 (Suspension General Diagnosis) >> Diagnostic Information and Procedures >> Trim Height Inspection Procedure >> Z Height Measurement

Z Height Measurement

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The Z height dimension measurement determines the proper ride height for the front end of the vehicle.

There is no adjustment procedure. Repair may require replacement of suspension components.

  1. Lift the front bumper of the vehicle up about 38 mm (1.5 in).
  2. Gently remove your hands. Let the vehicle settle.
  3. Repeat this operation for a total of 3 times.
    Fig 1: Measuring Z Height Dimension
    G01673285Courtesy of GENERAL MOTORS CORP.
  4. Measure from the pivot bolt center line down to the lower corner of the lower ball joint in order to obtain the Z height measurement.
  5. Push the front bumper of the vehicle down about 38 mm (1.5 in).
  6. Gently remove your hands.
  7. Allow the vehicle to settle into position.
  8. Repeat the jouncing operation 2 more times for a total of 3 times.
  9. Measure the Z dimension.
  10. The true Z height dimension number is the average of the high and the low measurements. Refer to Trim Height Specifications  .
scientia non olet · About LEMON Manuals