GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls.

  2. Object Number: 172979  Size: SH
  3. Remove the spark plug for the number four cylinder. Refer to Spark Plug Replacement in Engine Electrical.

  4. Object Number: 172977  Size: SH
  5. Remove the oil level indicator tube bolt.
  6. Remove the oil level indicator tube from the engine using a twisting motion.
  7. Clean the old sealer from the oil level indicator tube and the engine block.

Installation Procedure


    Object Number: 176058  Size: SH
  1. Apply sealer, GM P/N 12346004 or equivalent, to the area where the oil level indicator fits into the engine block.

  2. Object Number: 188009  Size: SH
  3. Install the oil level indicator tube to the engine. Refer to Oil Level Indicator and Tube Installation .
  4. Align the tube bracket.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the bolt.
  7. Tighten
    Tighten the oil level indicator tube bolt to 12 N·m (106 lb in).


    Object Number: 172979  Size: SH
  8. INstall the spark plug for the number four cylinder.
  9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls.