GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 345189  Size: SH
  1. Remove the air cleaner assembly.
  2. Notice: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.

  3. Remove the spark plug wire from the cylinder number 4 spark plug
  4. 2.1. Rotate the spark plug wire boot ½ turn.
    2.2. Pull outward on the spark plug wire boot to release from the spark plug.
  5. Remove the spark plug for the number 4 cylinder.
  6. Remove the oil level indicator from the oil level indicator tube.

  7. Object Number: 182831  Size: SH
  8. Remove the oil level indicator tube bolt.
  9. Remove the oil level indicator tube from the engine block using a twisting motion.
  10. Clean the old sealer from the oil level indicator tube and the engine block.

Installation Procedure


    Object Number: 176058  Size: SH
  1. Apply sealent, GM P/N 12346004 or equivalent, around the oil level indicator tube 13 mm (0.5 in) below the tube bead.
  2. Install the oil level indicator tube to the engine block. The indicator tube collar must be installed flush to the engine block.
  3. Line up the oil level indicator tube with the spark plug retainer.

  4. Object Number: 182831  Size: SH

    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.

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


    Object Number: 345189  Size: SH
  7. Install the spark plug for the number 4 cylinder.
  8. Install the spark plug wire.
  9. Tighten
    Tighten the spark plug to 20 N·m (15 lb ft).

  10. Install the air cleaner assembly.