GM Service Manual Online
For 1990-2009 cars only

Important: Set the front wheel alignment to the specifications while the vehicle is in the normally loaded condition. The vehicles that are consistently operated with the heavy loads should have toe-in adjusted with the vehicle under the heavy load. This procedure should result in longer tire life.

The satisfactory vehicle operation may occur over a wide range of front wheel alignment settings. If the settings vary beyond specified tolerances, adjustments are necessary. Refer to Wheel Alignment Specifications .

  1. Measure the front alignment angles using the following steps:
  2. 1.1. Install the alignment equipment according to the manufacturer's instructions.
    1.2. Measure the alignment angles.

    Record the readings.

    1.3. Make the adjustments that are required in the following order:
       • The caster
       • The camber
       • The toe-in
  3. To adjust the caster and camber, refer to Front Caster and Camber Adjustment .
  4. To adjust the front toe, refer to Front Toe Adjustment .