1. Drainage box shield
2. Nut: Tightening torque: 8 Nm.
Remove the plenum box cover. Remove the fasteners for the soundproofing of the plenum box. Loosen nuts -2-. Pull out the plenum box cover.
Installation
Insert the plenum box cover. Screw in nuts -2-. Fasten the noise insulation of the plenum box with clamps. Install the plenum box cover.