For 1990-2009 cars

1. Remove the left exhaust manifold upper insulator from the oil level indicator tube.
2. Remove the left exhaust manifold heat shield bolts.
3. Remove the left exhaust manifold heat shield.
4. Remove the left exhaust manifold lower insulator from the oil level indicator tube.
5. Remove the oil level indicator tube bracket bolt.
6. Remove the oil level indicator and tube by sliding the tube out from the lower crankcase hole.
7. Remove and discard the O-ring from the oil level indicator tube if damaged.