Interior Noise of Vehicle
One of the most decisive selling
points for passenger car is the level and quality of interior noise. Like
exterior noise engine is the main source of vehicle interior noise. It gets transmitted inside the
vehicle by,
1) Direct infiltration:
2) Improper sealing , Holes in the
lower dash panel
3) Structural vibrations
4) Engine mounts, loops in the
exhaust system
5) Drive
shafts, support bearing, rear axle drive shaft
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