2021-2024 Audi Q Models Front Suspension Noise TSB

Owners of various 2021-2024 Audi Q models may experience an unsettling Audi Q Models front suspension noise, specifically rumbling or knocking sounds emanating from the front end. This concern is detailed in Audi Technical Service Bulletin (TSB) 40 23 66 2059996/3, which supersedes an earlier bulletin, Group 40 number 22-36 dated March 16, 2022. The TSB provides a clear path for diagnosis and repair, ensuring that technicians can effectively resolve the issue.

Symptoms

The primary symptom reported by vehicle owners is the presence of rumbling or knocking noises. These sounds are typically heard from the front end of the vehicle, especially when driving over uneven roads. Workshops have confirmed that this Audi Q Models front suspension noise can be consistently reproduced during testing, aiding in the diagnostic process.

Technical Background

Audi has identified that the underlying cause of this front suspension noise is often related to tension within the vehicle's body structure. This tension can manifest as audible rumbling or knocking sounds, particularly affecting the bolted connection of the tower brace.

Repair Procedure Summary

To address the Audi Q Models front suspension noise, technicians are instructed to follow a specific service procedure outlined in TSB 40 23 66 2059996/3:

1. Check the Tower Brace Connection: The first step involves inspecting the bolted connection of the tower brace. The tower brace is a structural component that helps maintain chassis rigidity and handling.
2. Secure Bolted Connections: If any issues are found, technicians must secure the bolts to the correct torque specifications. This torque value is critical and must be obtained from the official Audi repair manual. After re-torquing, the concern is reassessed to confirm the noise has been eliminated.
3. Consult Repair Manual: For detailed instructions, technicians are directed to the Elsa repair manual. The relevant sections include "Chassis >> Suspension, Wheels, Steering >> 40 Front Suspension >> Suspension Strut, Upper Control Arm >> Overview Tower Brace." This ensures that all steps are performed accurately and according to manufacturer guidelines.

Visual aids, such as Figure 1 (showing the tower brace for an Audi Q7) and Figure 2 (illustrating the tower brace for an Audi Q5), are provided in the TSB to help technicians locate and understand the components involved in the repair.

Warranty Information

This Technical Service Bulletin (TSB) applies to vehicles covered by Audi's warranty, specifically up to 48 months or 50,000 miles. For vehicles that fall outside of this warranty period, the TSB serves as informational guidance only. Owners should be aware that warranty claims must adhere to the Audi Warranty Policies and Procedures Manual and are subject to review and audit by Audi Warranty.

The TSB specifies various labor operations and associated time units (TU) for warranty claims, including:

• Check torque for tower brace (Labor Operation 4086 0199): 20 TU
• Road test prior to the service procedure (Labor Operation 0121 0002): 10 TU
• Road test after the service procedure (Labor Operation 0121 0004): 10 TU

Diagnostic time (GFF) is listed with no allowance. The Service Number for this issue is 4086, and the Damage Code is 0020, with the claim comment referencing TSB 2059996/3.

Important Warnings

Owners should note that if their vehicle is outside the specified warranty period, this Technical Service Bulletin is for informational purposes only. Any repairs undertaken may not be covered by Audi. It is always recommended to consult with an authorized Audi service center to determine specific coverage and repair options.

What Owners Should Do

If you own a 2021-2024 Audi Q model and are experiencing rumbling or knocking noises from the front suspension, it is advisable to contact your authorized Audi dealership. Inform them about the Audi Q Models front suspension noise and mention Technical Service Bulletin 40 23 66 2059996/3. The dealership will be able to diagnose the issue and perform the necessary repair, which typically involves checking and re-torquing the tower brace connections.

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Source: NHTSA ID: 10238323