What is the reason for the abnormal noise when stepping on the accelerator of Audi Q5?

2 Answers
ColinFitz
09/03/25 7:14am
Audi Q5's abnormal noise when stepping on the accelerator can be divided into engine noise or transmission noise. Transmission noise is caused by faulty constant-mesh gear shafts or insufficient transmission oil, while engine noise is due to excessive wear of parts. Engine noise symptoms description: There are many possibilities for abnormal noise in the engine compartment. Most people judge the noise source to be from the engine compartment, usually a sharp metal sound or a wind-like noise. Solution: Engine noise indicates that the technical state of a certain mechanism in the engine has changed. It is mainly caused by excessive wear of some parts or improper assembly and adjustment. Some noises can even predict potential catastrophic damage to the engine. Therefore, when engine noise occurs, it should be repaired promptly to prevent the fault from expanding. If the noise is from inside the engine, the owner cannot resolve it themselves and it is best to send it to a factory for inspection and repair. Transmission noise symptoms description: If there is abnormal noise inside the transmission while driving, but it disappears when the clutch or accelerator is pressed, and it occurs during gear shifting. Solution: The transmission has many parts, and the causes of noise are relatively complex. When analyzing and judging, pay attention to: whether it is related to a specific speed, such as some planetary gears being more noticeable at around 50Km/h; whether it is related to certain gears, which is very important for judging transmission faults. If a certain gear makes noise, it is definitely related to the parts affecting that gear's transmission; if all gears make noise, it is often due to faulty constant-mesh gear shafts or insufficient transmission oil; whether it is related to specific actions, such as shifting gears, starting, rapid acceleration, rapid deceleration, turning, etc., which are effective means for judging abnormal noise. Among them, changing speed and direction are particularly important for determining rear axle faults. If the transmission noise is obvious, it is recommended to send it to a professional repair shop to identify the faulty part and then replace it.
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LeLukas
09/15/25 8:36am
As an Audi Q5 owner, I often get asked by friends about the strange noises when stepping on the accelerator while driving. The sources of these noises vary widely. A common culprit is a loose or worn serpentine belt, which can produce squeaking sounds during acceleration. The whooshing sound from turbocharger airflow during response is another suspect. Or it could be damaged chassis components like suspension ball joints, creating rattling noises under load, especially noticeable when turning. These factors may all lead to sudden noises. Don't ignore minor issues - prolonged neglect could damage the transmission or engine, compromising driving safety. I recommend visiting an Audi dealership first for professional inspection. Their diagnostic equipment can quickly pinpoint the cause, preventing repair costs from skyrocketing. Pay attention to sound changes during daily driving to help technicians identify the root cause faster, ensuring smooth journeys ahead.
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