2021-2025 Audi Q8 / SQ8 EVAP System Ticking Noise

Audi has released a technical service bulletin, identified by NHTSA ID 10247199, to provide information regarding a specific noise concern in certain 2021-2025 Audi Q8 and SQ8 vehicles. This bulletin aims to assist technicians in diagnosing and addressing a ticking or thumping noise that owners may notice in the rear passenger compartment.

This information is crucial for owners experiencing this particular issue, as it highlights a known cause and directs towards a potential resolution. The bulletin serves as a guide for service professionals to accurately identify the source of the sound.

Symptoms

Owners of affected Audi Q8 and SQ8 models may notice a distinct ticking or thumping noise. This sound typically originates from the rear area of the passenger compartment. The presence of this noise can be a cause for concern and indicates a need for inspection.

Diagnosis and Trigger Conditions

The technical service bulletin specifically links the ticking or thumping noise to the EVAP Charcoal filter line (N80). This component is part of the vehicle's fuel system, gasoline: storage: evaporative emissions: hoses/valves/sensors. The bulletin provides information for when this specific component is the source of the noise.

For the 2022 Audi Q8 manufacturer_communication, understanding that the N80 line is the suspected culprit helps narrow down diagnostic efforts. Technicians will focus their investigation on this part of the evaporative emissions system to confirm the source of the sound.

Repair Procedure Summary

While the bulletin (NHTSA ID 10247199) provides information, it does not detail a specific repair procedure in the provided summary. Instead, it serves as guidance for technicians to understand the potential cause of the noise. The focus is on identifying when the EVAP Charcoal filter line (N80) is responsible for the ticking or thumping sound.

Further details within the full bulletin would typically outline specific diagnostic steps and potential corrective actions. These actions might involve inspection, adjustment, or replacement of the affected component to eliminate the noise.

Owner Action

If you own a 2021-2025 Audi Q8 or SQ8 and are experiencing a ticking or thumping noise from the rear passenger compartment, it is recommended to contact your authorized Audi dealership. Inform them about the noise and mention the potential relevance of the 2022 Audi Q8 manufacturer_communication regarding the EVAP Charcoal filter line (N80).

Your dealer's service department will have access to the full technical service bulletin and can perform the necessary diagnosis and repairs. As this is a manufacturer communication, repairs may be covered under warranty, depending on your vehicle's age and mileage.

Source: NHTSA ID 10247199