GM Service Manual Online
For 1990-2009 cars only

    Object Number: 20173  Size: SH
  1. Remove the six bolts from the TFP switch assembly (8, 12, and 16).
  2. Remove the TFP switch assembly (13) from the control valve body assembly (18). The seven pressure switch O-rings are reusable and should remain with the TFP switch assembly.