What Causes the Abnormal Noise in Audi Q5L?

[DeLucas]

Audi Q5L abnormal noise is related to engine speed. The relationship between abnormal noise and engine speed: The abnormal noise only exists at idle or low-speed operation, the sound becomes chaotic when maintaining a certain speed, short sounds are emitted successively during rapid deceleration, the abnormal noise appears when the engine accelerates rapidly, and the sound still exists when maintaining high-speed operation. Causes of the noise: Excessive clearance between the piston and cylinder wall; Over-tight assembly of the piston pin or connecting rod bearing; Excessive clearance between the tappet and its guide hole; Wear of the cam profile. The relationship between abnormal noise and load: When a cylinder is cut off, the abnormal noise suddenly disappears or reduces. Causes of the noise: Piston knocking; Loose connecting rod bearing; Piston ring leakage; Broken piston pin.

[GraceAnn]

When driving my Audi Q5L, I noticed that the abnormal noise is likely due to wear and tear of the suspension system's rubber bushings, especially noticeable on bumpy roads. If the brake pads are rusted or have foreign objects stuck in them, they can also produce squeaking sounds, particularly during low-speed turns. Loose interior components, such as the dashboard or trunk cover panels, can rattle due to vibrations while driving. In the engine compartment, aging belts or noises from the cooling system are also possible causes. I recommend listening carefully to the noise location when parked to make a preliminary judgment—for example, noise from the front wheels may indicate suspension issues, while noise from the trunk could be due to problems with the support struts. Don’t overlook these details; take the car to a professional repair shop as soon as possible, as delays could lead to more severe component damage. During regular maintenance, pay attention to these wear-prone parts—early intervention saves money and provides peace of mind.

[OwenAnn]

The Audi Q5L often develops squeaks and rattles after prolonged use, which has happened multiple times on my car. There are various causes, with wear and tear on suspension components like shock absorbers or bushings being the primary culprit, especially in winter when rubber materials harden and become more prone to noise. Brake system noises are also common, particularly after replacing brake discs, as they require a break-in period. For interior issues, aging door seals or loose sunroof tracks often cause creaking sounds. Engine-related problems, such as belt tension issues, can also lead to squeaking. I've found it helpful to note when the noises occur—whether during cold starts or high-speed driving—as this makes it easier to identify the root cause. Don't ignore these minor issues; insist on professional diagnosis at an authorized 4S shop to prevent potential safety hazards from escalating.

[Robyn]

There are many reasons for the Audi Q5L's abnormal noises, with suspension issues being the most common, such as squeaking caused by loose bushings or shock absorbers. The braking system can also produce noise due to rust or dust accumulation. It's not uncommon for interior components like seats or trunk lids to rattle while driving. Abnormal noises in the engine area may come from the belt rubbing back and forth. It's recommended to pay attention to the location of the noise: if it's noticeable on bumpy roads, focus on checking the suspension; if it occurs during quiet moments, inspect the interior. Record the sound for the technician's reference and address it promptly to ensure safe driving without taking risks.