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