GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1403967  Size: SH
  1. Remove knock sensor connector from the oil level indicator tube.
  2. Remove the electrical wiring harness from the oil level indicator tube.
  3. Remove the oil level indicator tube bracket to the intake manifold bolt.
  4. Remove the oil level indicator and the oil level indicator tube from the oil pan.