Disconnect the battery "-" terminal.
Remove the engine oil level gauge (A) and oil level gauge rod (B).
Tightening torque:
18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)
When installing, apply engine oil to the O-ring and take care the O-ring not to be damaged.
Always use a new O-ring.
Install in the reverse order of removal.