F 350 4WD Super Duty V8-6.4L DSL Turbo (2008)
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 Proofing / Insulation. Insulation is installed:
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under the roof.
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above and below the instrument panel.
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at the cowl sides.
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over the transmission tunnel.
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over the floorpan areas.
