Remove the oil level gauge (A).

Remove the timing chain cover.
(Refer to Timing System - “Timing Chain Cover”)
Remove the oil level gauge guide (A).
Tightening torque:
8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

Install in the reverse order of removal.