GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1948717  Size: SH
  1. Remove the external rotor with the internal rotor.
  2. Visually inspect the components.
  3. Install the external and the internal rotors.
  4. Inspect the axial clearance of the rotors in respect to the control unit housing upper edge.
  5. Specifications
    Permissible measurement is 0.02-0.058 mm (0.00079-0.00228 in).