Other information:
Repair
NOTE:
Do not machine the brake discs for any brake noise concern
(squeal, squeak, moan, groan, grunt, grind, etc.). Brake disc machining
is allowed if one of the below conditions is present;
Excessive corrosion/rust and/or pitting on the braking surface...
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...