Removal Procedure
- Remove the air cleaner assembly.
- Remove the spark plug wire from the cylinder number 4 spark plug
- Remove the spark plug for the number 4 cylinder.
- Remove the oil level indicator from the oil level indicator tube.
- Remove the oil level indicator tube bolt.
- Remove the oil level indicator tube from the engine block using a twisting motion.
- Clean the old sealer from the oil level indicator tube and the engine block.
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.
| 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. |
Installation Procedure
- Apply sealent, GM P/N 12346004 or equivalent, around the oil level indicator tube 13 mm (0.5 in) below the tube bead.
- Install the oil level indicator tube to the engine block. The indicator tube collar must be installed flush to the engine block.
- Line up the oil level indicator tube with the spark plug retainer.
- Install the bolt.
- Install the spark plug for the number 4 cylinder.
- Install the spark plug wire.
- Install the air cleaner assembly.
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.
Tighten
Tighten the oil level indicator tube bolt to 12 N·m (106 lb in).
Tighten
Tighten the spark plug to 20 N·m (15 lb ft).
