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What are the reasons for the loud noise in a Corolla?

1 Answers

Tobias

07/29/25 11:51am

The reasons for the loud noise in a Corolla are: 1. The vehicle is in the break-in period, and the components are fitting too tightly; 2. The engine oil needs to be replaced; 3. Operational issues, such as low gear with high RPM or high gear with low speed, can cause increased noise. Taking the 2021 Corolla as an example, it is a compact car with body dimensions of: length 4635mm, width 1780mm, height 1455mm, wheelbase 2700mm, and a fuel tank capacity of 50 liters. The 2021 Corolla features a front MacPherson strut independent suspension and a rear E-type multi-link independent suspension. It is equipped with a 1.2T turbocharged engine, delivering a maximum horsepower of 116 PS, maximum power of 85 kW, and maximum torque of 185 Nm, paired with a 10-speed continuously variable transmission.

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