GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1334798  Size: SH
  1. Attach a small piece of hose to the drain onto the water in fuel sensor.
  2. Place the other end of the piece of hose into an approved fuel-resistant container.

  3. Object Number: 1198929  Size: SH
  4. Open the drain 3 or 4 turns or until the water contaminated fuel seeps from the drain.

  5. Object Number: 1871603  Size: SH
  6. Operate the priming pump (1) until only diesel fuel is visible. Allow the pump to fully return upward between pushes.
  7. Tighten the drain.
  8. Remove the container and hose.