GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 500691  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls 5.0, 5.7L.
  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. Refer to Spark Plug Wire Harness Replacement .
  4. Remove the spark plug for the number 4 cylinder. Refer to Spark Plug Replacement .
  5. Remove the oil level indicator from the oil level indicator tube.
  6. Remove the oil level indicator tube bolt.
  7. Remove the oil level indicator tube from the engine block using a twisting motion.
  8. Clean the old sealer from the oil level indicator tube and the engine block.

Installation Procedure


    Object Number: 176058  Size: SH
  1. Install the oil level indicator tube to the engine block. Refer to Oil Level Indicator and Tube Installation .
  2. Install the spark plug for the number 4 cylinder. Refer to Spark Plug Replacement .
  3. Install the spark plug wire. Refer to Spark Plug Wire Harness Replacement .
  4. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls 5.0, 5.7L.