S4 V8-4.2L (BHF) (2004)
Sound Proofing / Insulation: Locations
C-Pillar
Foam-Filled Cavities
C-pillar
A - Foam-filling hole
B - Expanded foam insert
Can be re-used; secure with two-part component foam.
C - Expanded foam insert
Can be re-used; secure with two-part component foam.
D - Dampening foam
In rear longitudinal member.