Relief Plunger

Install relief plunger (C) and spring (B) into the front case hole, and install the plug (A).

Tightening torque: 

39.2 ~ 49.0 N.m (4.0 ~ 5.0 kgf.m, 28.9 ~ 36.2 lb-ft)

Fig 1: Identifying Plug, Relief Plunger And Spring

Courtesy of HYUNDAI MOTOR CO.