GM Service Manual Online
For 1990-2009 cars only

    Object Number: 66573  Size: SH
  1. Remove the injection line clips at the brackets.
  2. Remove the injection lines at the nozzles using a 22 mm (0.87 in) open end wrench to hold the nozzle body while opening the injection line. Wear safety glasses in order to protect against fuel spray.
  3. • Cap the lines and the nozzles immediately.
    • Do not bend the injection lines.
  4. Remove the injection lines at the pump.
  5. • Cap the lines and the pump fittings immediately.
    • Tag the lines for installation.
  6. Remove the injection line brackets.