GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1828664  Size: SH
  1. Remove the oil level indicator tube bracket bolt.

  2. Object Number: 1828665  Size: SH
  3. Remove the oil level indicator and tube by sliding the tube out from the lower crankcase hole.

  4. Object Number: 1583980  Size: SH
  5. Remove and discard the O-ring from the oil level indicator tube.