GM Service Manual Online
For 1990-2009 cars only
  1. Disconnect the cruise control cable at the module and the throttle lever. Refer to Cruise Control Cable Replacement and Cruise Control Cable Replacement .
  2. Ensure the cruise control cable moves in and out of the cable casing freely and smoothly.
  3. Replace any sticking or binding cables. Refer to Cruise Control Cable Replacement or Cruise Control Cable Replacement .
  4. Replace any cable adjuster lock that does not hold under normal operating conditions. Refer to Cruise Control Cable Replacement or Cruise Control Cable Replacement .