GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 166223  Size: SH
  1. Remove the oil level indicator from the guide tube.
  2. Remove the one retaining bolt and guide tube (1) from the cylinder block.
  3. Remove the guide tube seal (3) from the cylinder block.

Installation Procedure


    Object Number: 166223  Size: SH
  1. Install the new guide tube seal (3) to the cylinder block.
  2. Install the guide tube (1) to the cylinder block.
  3. 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.

  4. Secure the guide tube with one bolt.
  5. Tighten
    Tighten the guide tube bolt to 11 N·m (97 lb in).

  6. Install the oil level indicator to the guide tube.
  7. Start the engine and check for engine oil leaks around the guide tube.