Expedition 2WD V8-5.4L (2009)
Sound Proofing / Insulation: Description and Operation
Insulation
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. For information on the location of the mastic insulators, refer to Sound Deadeners and Insulators. Insulation is installed: See: Sound
Deadeners and Insulators
-
under the roof.
-
above and below the instrument panel.
-
at the cowl sides.
-
over the transmission tunnel.
-
over the floorpan areas.
-
inside the quarter panels.
It has heat-bondable mastic deadeners for improved NVH characteristics (Navigator).
