For 1990-2009 cars

1. Remove the oil level indicator tube bracket to cylinder head retaining bolt (2).
2. Remove the oil level indicator (1) from the oil level indicator tube (3).
3. Remove the knock sensor. Refer to Knock Sensor Replacement - Bank 2.
4. Remove the oil level indicator tube (1) up through the exhaust manifold (2).
5. Remove and discard the O-ring (1) from the oil level indicator tube (2) if damaged.