Body - Overview: Insulation

Insulation is used as a sound-deadener to reduce exterior road and powertrain noises from the interior of the vehicle. Mastic insulators are also used as insulation. Insulation is installed:

• under the roof.
• above and below the instrument panel.
• at the cowl side panels.
• over the front and rear floor pans.
• inside the B-, C- and D-pillar sections.
• on the wheelhouse/quarter panel.
• behind the rear quarter trim panel.

Other forms of insulation include:

• front tunnel stiffening pad.
• dash panel stiffener.
• rear wheelhouse mastic pads.

It has heat-bonded mastic deadeners for improved NVH  characteristics.

It also has sound dampeners located inside the D-pillar and plug holes in the inner rear quarter.