GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1552933  Size: SH
  1. Remove the input speed sensor (ISS) retaining bolt (247).
  2. Use a small tipped screwdriver to carefully pry the ISS wiring harness retaining brackets from the pump housing. Being careful not to damage retainer clips.
  3. Remove the ISS assembly (250).