GM Service Manual Online
For 1990-2009 cars only

Standard Method

  1. Charge the air system.
  2. Start the engine and allow the air compressor to fill the air system.

  3. Remove the wheel blocks.

Optional Method


    Object Number: 227716  Size: SH
  1. Connect a compressed air line to the inflation valve.
  2. • Ensure that the compressed air is free of moisture.
    • Do not fill the system with more than 861 kPa (125 psi) of air pressure.
  3. Disconnect the compressed air line.
  4. Remove the wheel blocks.