Corolla L4-1.8L (2ZZ-GE) (2005)
Sound Proofing / Insulation: Description and Operation
Low Vibration and Low Noise Body
1. General
An effective application of vibration damping and noise suppressant materials reduces engine and road noise.
2. Sound Absorbing and Vibration Damping Materials
^ Foamed urethane sponge and foamed seal material are applied onto the roof panel and pillars to reduce wind and road noise.
^ Asphalt sheet is used to reduce road noise.
^ Adoption of the dash panel silencer and hood silencer have reduced engine and road noise and improved the quietness in the compartment.
^ Felt is used effectively on the flower and roof (only for without moon roof) to ensure a quiet interior.
3. Reducing Wind Noise