1. Noise insulation of the plenum box
2. Clamping washer
3. Retainer
Remove retainers for soundproofing plenum box -2-. Remove noise insulation for plenum box -3-. Remove cable ties (Availability depends on vehicle configuration). Remove the noise insulation of the plenum box.
Installation
Insert the soundproofing of the plenum box. Install cable ties (Availability depends on vehicle configuration). Install plenum chamber noise insulation fasteners -3-. Install plenum box noise insulation fasteners -2-.