Sound dampening

SOUND DAMPENING

During production, expanded foam is incorporated into some body cavities to reduce noise or prevent the ingress of moisture, dust and fumes. After a repair that involves replacement of a section containing expanded foam, the new section must be

Accessible cavities that must be injected with sound dampening foam are detailed in the following Figures. When injecting the foam, ensure the foam fills a complete cross section of the cavity.

injected with an approved sound dampening foam. See INFORMATION, Sealing and corrosion The sound dampening foam should be

protection.

injected after paint refinishing and application of cavity wax.

Sound dampening foam injection points - 3 door

Cavities symmetrically opposite to those shown must also be treated.

1. ’A’ post reinforcement to sill reinforcement/inner sill
2. ’B’ post reinforcement to sill reinforcement/inner sill
3. End of rear lower body closing assembly - inject through either hole, angle applicator nozzle to fill outboard end of assembly