How to Solve the Sunroof Noise Issue in Audi A3?

[DiJessica]

Audi A3 sunroof makes noise on bumpy roads due to vibrations between the sunroof and the sliding rails. It is advisable not to fully open the sunroof on extremely rough roads, as excessive vibrations between the sunroof and rails may cause deformation of related components or even damage the motor. Additional information: 1. Drivetrain. The Audi A3 features a MacPherson strut front suspension and a rear axle with a torsion and crank-type structure, separately arranged springs and shock absorbers. Besides excellent handling, the rear suspension layout also offers high space utilization, making the cargo area outstanding among its peers. All A3 models come with disc brakes on both front and rear, with ventilated front brakes. 2. Body dimensions. The Audi A3 measures 4462×1796×1417mm with a wheelbase of 2629mm, offering a well-proportioned and sporty design. 3. Powertrain. There are two gasoline engines and one diesel engine available. The gasoline engines are: a 1.8L five-valve engine with a maximum power of 92kW and variable valve timing; and a 1.8L five-valve turbocharged engine with a maximum power of 110kW. The diesel engine is a 1.9L turbocharged direct injection type with a maximum power of 66kW.